# Remove Function Matlab

In this case the first row in the file must contain variable names separated by TABs. Delete image callback routine. Revised March 2015. The axes object is deleted, but the figure remains. Plus, if I can write an anonymous function to do something, I don't need to save the function in a file, and that can save me from file clutter on larger projects and from having to send someone a dozen files instead of sending one clean script. setBoard ('uno') Use arduino. Good answers so far but your approach will depend on other circumstances in your measurement. Remove items from workspace, freeing up system memory. To open it, select Set Path from the File menu in the MATLAB desktop. This MATLAB function deletes all characters from str that occur between the substrings startStr and endStr, but does not delete startStr and endStr themselves. readtable Function: Easily manage prefixes and suffixes from data using import options; preview Function: Preview first 8 rows of a table in a file without importing the full table; imageDatastore Function: Work with millions of images with improved memory usage and performance; VideoReader Function: Read video files faster on all platforms; Data Analysis. One way to use Matlab is through the command line, however if you write a lot of statements, it becomes clumsy (and time consuming) to re-enter in the material over and over again. Ulrich Wohlfarth. newStr = erase(str,match) deletes all occurrences of match in str. m file to implement your function. , when you issue a delete command or clear the axes or figure containing the image). You can delete it with the delete key or right-click, delete. ' Non-conjugate transpose. Description. Scripts are simply a series of MATLAB commands, where a function can accept inputs, provide outputs and define local variables. I typed the following in the command window, e. m file will detect any installations of OpenSim that were previously configured with MATLAB, and will "remove" them from MATLAB (the other OpenSim installations are not deleted, they are simply no longer configured with MATLAB). However, the variable becomes an invalid handle because the object it referred to no longer exists. This function is updated often, mostly to add new peak shape functions suggested by users, and it was elected the Matlab File Exchange "Pick of the Week" in 2016. What I know is that you can replace the place with a 0 and then run an If statement inside a for loop to create a new Array without that 0. How to plot the step function u(t) in matlab using the heaviside command. Excel provides a large number of built-in functions that can be used to perform specific calculations or to return information about your spreadsheet data. Create a 3-by-3 cell array. I have to be able to remove all duplicates from each column of a matrix A = [1,2,3;1,3,3;4,2,1], while also not using unique and not changing the order. Signal Processing in MATLAB % amplitude as function of time Signal Processing Algorithms in MATLAB. , when you issue a delete command or clear the figure containing the uicontrol). Given a workspace containing the following variables. I want to delete the. Chapter 3 MATLAB Frequency Response Example A couple years ago one student asked if I could put together some of the MATLAB commands I used in obtaining the discrete-time G(z) using the integration rules, and for nding the frequency response (magnitude and phase). To delete files from a remote location, fileName must contain a full path specified as a uniform resource locator (URL). Matlab Question: Write a function removeEvens to remove all the even numbers from input row array inRowArray which contains integer numbers. I want to delete some variables that I have declared in command window in matlab, I tried clear all but it didn't work. When multiple objects are passed to a method, Matlab determines which class's method to call based on the superior-inferior relation. Your job is to learn this pattern for future use (and tests). These files are called, not surprisingly, m-files. the root nearest 7. I agree, the value is not set by the uicontrol if it is an editbox or a text. This is a small algorithm explaining what I mean:. But in C++, delete[] is an operator with a very specific behavior: An expression with the delete[] operator, first calls the appropriate destructors for each element in the array (if these are of a class type), and then calls an array deallocation. The various Editor features you'd use for creating a script all work the same way with. I have a vector in matlab and want to remove all the duplicated entries in it. The reshape function returns a new array with n rows and m columns (n*m must equal the number of elements in the original array). Here we assume that you know the basics of defining and manipulating vectors and matrices. In fact, the two processes use the same editor, so you’re already familiar with what the editor can provide in the way of help. The coding is done in such a way that the computation is in a separate C++ function; the mexFunction is only used to "translate" between MATLAB and C++. File name to delete, specified as a character vector or string scalar. Learn to Code with MATLAB is an online, interactive tutorial that teaches students in primary and secondary schools the basics of programming using MATLAB. The str and match arguments do not need to be the same size. An Introduction. Call User Scripts and Functions from Python. The most superior class's method is invoked and if all of the classes have equal superiority, the left most object takes precedence. This example shows how to perform Kalman filtering. com and yet one of the least discussed topic on the CSSM forum?. Excel provides a large number of built-in functions that can be used to perform specific calculations or to return information about your spreadsheet data. The reshape function returns a new array with n rows and m columns (n*m must equal the number of elements in the original array). As an alternative to the addpath function, use the Set Path dialog box. Particular cases close. The goal of this post is to introduce you to the usage of strings in Matlab and to help you loosen the knot…. Sometimes a variable may have a strange value passed into it by whatever function called the error-ing function. In this section, we will discuss some functions that create some special arrays. Graphical Interface. Output: (t-k) by (t-k) matrix in which k non-adjacent rows and corresponding columns are removed from input matrix. aarpon/MATLABStarter - A series of startup functions for MATLAB that dynamically adds MATLAB m files, Java folders and. This MATLAB function deletes all characters from str that occur between the substrings startStr and endStr, but does not delete startStr and endStr themselves. However, when the input is a character array, double instead converts each character to a number representing its Unicode® value. array to reshape # of columns in result # of rows in result. Here we assume that you know the basics of defining and manipulating vectors and matrices. Chapter 3 MATLAB Frequency Response Example A couple years ago one student asked if I could put together some of the MATLAB commands I used in obtaining the discrete-time G(z) using the integration rules, and for nding the frequency response (magnitude and phase). Matlab allows you to write your own functions. delete_inter. The code generation warnings do not always match the MATLAB warnings. variable a in its workspace until you exit MATLAB or tell MATLAB to delete the variable. Delete Uimenu callback routine. The output of diary is an ASCII file, suitable for searching in, printing, inclusion in most reports and other documents. Chapter 3 MATLAB Frequency Response Example A couple years ago one student asked if I could put together some of the MATLAB commands I used in obtaining the discrete-time G(z) using the integration rules, and for nding the frequency response (magnitude and phase). Another advantage of Simulink is the ability to take on initial conditions. The expression must not be between single quotes. Learn to Code with MATLAB is an online, interactive tutorial that teaches students in primary and secondary schools the basics of programming using MATLAB. Matlab is highly integrated with Java, and Java classes can seamlessly be accessed from Matlab. However, it is quite possible to find many of these functions in a google search. MATLAB integrates numerical analysis, matrix computation, signal processing and graphics in an easy-to-use environment where problems and solutions are expressed just as they are written mathematically - without traditional. To remove empty cell array contents (title of your question) : This is much faster than calling a Matlab function for each cell element. File name to delete, specified as a character vector or string scalar. You can execute these just like any other function in matlab. Seamlessly integrate COMSOL Multiphysics ® with MATLAB ® to extend your modeling with scripting programming in the MATLAB environment. NumPy code is Python code, so it has no such restrictions. For Loops: For loops in MATLAB take the form of: "for i = 1:n / do stuff / end" (the forward slash indicates a line break). How to Graph in MATLAB. m file also backs up any changes it makes to MATLAB configuration files. Of course, a MATLAB call normally looks something like [ out1, out2 ] = function_name ( in1, in2, in3 ). A couple of basic examples of functions are built too. Consider the 2-by-1-by-3 array Y = rand(2,1,3). To install a package, use the pkg command from the Octave prompt by typing:. 62x Experimental Projects. Matlab can read files with values separated by TABs (called Tab delimitted files) with the function tdfread. MATLAB Input and Output { delete: delete file. The file itself will determine how many inputs the function can accept, what they are called locally, how many outputs can be returned, and what they are called locally. But Shree may be using it as a switch by setting it in another callback or whatever. The reshape function returns a new array with n rows and m columns (n*m must equal the number of elements in the original array). Functions operate on variables within their own workspace, which is also called the local workspace, separate from the workspace you access at the MATLAB command prompt which is called the base workspace. MATLAB cell array can hold different sizes and types of data in an array. B = squeeze(A) returns an array B with the same elements as A, but with all singleton dimensions removed. When you delete a graphics object, MATLAB does not delete the variable that contains the object handle. Good answers so far but your approach will depend on other circumstances in your measurement. A callback routine that executes when you delete the Uicontextmenu object (e. MATLAB is in automobile active safety systems, interplanetary spacecraft, health monitoring devices, smart power grids, and LTE cellular networks. In this case the first row in the file must contain variable names separated by TABs. Matlab synopsis. File name to delete, specified as a character vector or string scalar. The latter score necessitates a digamma function, which is approximated here until a formal one is developed by Statacorp. m file, the help function displays name is a folder. This means that if you try to eval or feval from within a Java function that was called directly from a Matlab function, it will hang waiting for the first matlab function to terminate. I tried to do so but all I'm getting is a white/blank figure. Graphical Interface. If the folder contains a nonempty Contents. Matlab contains several well-documented functions and properties dealing with the mouse pointer. If match is a string array or a cell array of character vectors, then erase deletes every occurrence of every element of match in str. How do you a string in a variable as a name for another variable? Like this: I have a variable called "Headings", inside it is a bunch of text [time, speed, distance]. Revised March 2015. Is there any function to remove object greater than m pixel from image I ? what should i do to remove bigger object from image I?. Manage Files and Folders in MATLAB Online. When Matlab delete is used to delete a file, Scilab equivalent is mdelete. This is how the on-line help to all MATLAB functions is provided. 8 Applications 8. The MATLAB Function block can perform any function in MATLAB, whether it is a function you have written or one that comes with MATLAB. An Introduction. A callback routine that executes when you delete the Line object (e. Signal Processing in MATLAB % amplitude as function of time Signal Processing Algorithms in MATLAB. For MATLAB versions 7. If you consider yourself a computer stud or studette you may want to skip to the ultimate path solution right now. Excel provides a large number of built-in functions that can be used to perform specific calculations or to return information about your spreadsheet data. I am trying to learn how the graphic objects work in MATLAB. Add a new variable by name. Use the lower() function to convert all upper case letters in a string to lower case. Such files are called "M-files" because they must have the file type of ". Overview of the Process To create the app described in the preceding section, you must create two separate apps (a main app and a dialog box app). Users can easily add their own m- le functions for speci c applications, further extending MATLAB's usefulness. Find and match multiple values in a matrix with MATLAB's ismember function I was preparing some results of an image segmentation algorithm for publishing and needed a way to find all pixels that match a variable set of multiple numbers (e. variable a in its workspace until you exit MATLAB or tell MATLAB to delete the variable. Build an SQL statement sqlquery that combines the SQL for the delete operation with the MATLAB variable. It has a number of advantages over the xlswrite function in Matlab. Use this form when the filename is stored in a string. The combined delegate from which to remove the. The configureOpenSim. Note that MATLAB implements some, but not all, of the extended regular expressions available in other languages such as Perl. The combined delegate from which to remove the. In MATLAB, functions have input arguments specified on the first line, in the function definition. These functions are organised into categories (text, logical, math, etc. MATLAB program to perform linear convolution of two signals ( using MATLAB functions) 29. you can use the “rmmissing” function to remove “NaN” values from an array. delete(t) removes the timer object, t, from memory. Output: (t-k) by (t-k) matrix in which k non-adjacent rows and corresponding columns are removed from input matrix. The axes object is deleted, but the figure remains. You can delete graphics objects explicitly using the delete function or by closing the figure that contains the graphics objects. Consider the following problem: Find to 3 d. diary toggles diary mode on and off. The axes variable ax remains in the workspace, but no longer refers to an object. I want to delete the. You can execute these just like any other function in matlab. We can test if a handle to an object is valid with the isvalid(h) method and delete the object, causing all of its handles to become invalid with delete(h). How can I do it with the System Identification Toolbox of MATLAB? Moreover, how can I estimate the cutoff frequency to remove the noise? EDIT: As suggested, here below are the sampled data plot. This may be from either the MATLAB command line, from within a function or script, or from anywhere that m-code can be executed. directory you were in when you started matlab. The combined delegate from which to remove the. I have a Matrix of 400 rows and 40 columns. How do you a string in a variable as a name for another variable? Like this: I have a variable called "Headings", inside it is a bunch of text [time, speed, distance]. Unfortunately, MATLAB does not innately have functions to do common string operations in some other languages such as string splitting. I want to remove NaN and Zeros rows completely. ParameterizedFunctionSurface properties control the appearance and behavior of ParameterizedFunctionSurface objects. MATLAB cell array can hold different sizes and types of data in an array. A quick guide on how to use Matlab netCDF functions Prepared by HP Huang (hp. A callback routine that executes when you delete the Uimenu object (e. delete zeros rows and columns. This example shows how to remove data from individual cells, and how to delete entire cells from a cell array. To install a package, use the pkg command from the Octave prompt by typing:. Ulrich Wohlfarth. A function in Matlab is always written using the same (starting) syntax. MATLAB does not provide a function to determine alphabetical (lexicographical) ordering of strings ; Use the deblank() function to remove trailing blanks from a string. delete('filename') is the function form of delete. subplot(m,n,p,'replace') If the specified axes object already exists, delete it and create a new axes. The task automatically generates MATLAB ® code for your live script. In order to convert the user input into a Matlab expression that is passed to QGis, we can use the 'eval' function of Matlab. matlab_map, programs which illustrate the use of MATLAB's mapping toolbox to draw maps of the world, countries, the US, or individual states. Instead, MATLAB simply goes line by line and performs the calculations without the need for an executable. In this section, we will discuss some functions that create some special arrays. NumPy code is Python code, so it has no such restrictions. How can I write external functions and scripts in MATLAB? External Functions. The erase function returns the remaining text as newStr. Tips If a , b , and c are variables or expressions with variables, triangularPulse assumes that a <= b <= c. Delete the leading and. Learn to Code with MATLAB is an online, interactive tutorial that teaches students in primary and secondary schools the basics of programming using MATLAB. But Shree may be using it as a switch by setting it in another callback or whatever. MATLAB is a popular programming language for its simplicity and broad range of tools for topics like signal processing, statistics, di erential equations, and of course, matrices. In your current folder, create a MATLAB script in a file named triarea. To open it, select Set Path from the File menu in the MATLAB desktop. Matlab was designed for dealing with numbers, not strings. Therefore, when we wish to retrieve the results of a function evaluation into Excel VBA, not only must we use the variant datatype, but we must also specify to Matlab the number of elements in this. operator delete[] is a regular function that can be called explicitly just as any other function. I'm familiar with the 'unique' function for use on vectors (or individual columns of a cell array) but I'm stumped on how to work on the whole array at once. I have attached the Function and Script. delete('filename') is the function form of delete. MATLAB Input and Output { delete: delete file. function to remove space from a string Hi, there, Is there a function in MATLAB can remove spaces from a string, such as the space at the beginning of the string, the space at the end of the string, the space in the middel of the string?. There is an unfortunate MATLAB tradition of using short and often somewhat cryptic function names—probably due to the DOS 8 character limit. Matlab can read files with values separated by TABs (called Tab delimitted files) with the function tdfread. There are two types of M-files: script files and function files. Matlab Basics: This instructable will cover some of the most basic functions of matlab. Add and Delete Variables. What is the right function? I want this function to work for random arrays and not only for the example!. MATLAB is a popular programming language for its simplicity and broad range of tools for topics like signal processing, statistics, di erential equations, and of course, matrices. MATLAB stands for MATrix LABoratory and the software is built up around vectors and matrices. When you use clear in a function, it has the following effect on items in your function and base workspaces: clear name--If name is the name of a function, the function is cleared in both the function workspace and in your base workspace. MATLAB Format and Display Precision Help MATLAB does its internal arithmetic in IEEE floating point precision using approximately 16 decimal digits, but the default display is only 5 decimal digits, so do not be too concerned about the digits actually displayed as MATLAB output. When manipulating arrays in MATLAB there are some operators and functions that are particu-larely useful. Hi, Selecting 'No Callback' in the button properties "disconnects" the button and the callback but does not delete the callback. There is an unfortunate MATLAB tradition of using short and often somewhat cryptic function names—probably due to the DOS 8 character limit. However, when the input is a character array, double instead converts each character to a number representing its Unicode® value. What Loren helped me realize is that cell arrays use () just like regular MATLAB arrays to index into elements of the array, while. This syntax allows you to use a combination of variable names, wild card characters, or regular expressions to specify variables to remove or keep. In fact, you can put a period in front of any math symbol to tell Matlab that you want the operation to take place on each entry of the vector. 7) Go to the Workspace window and check that the variable a is in your workspace. The triangular pulse function is also called the triangle function, hat function, tent function, or sawtooth function. The erase function returns the remaining text as newStr. This example shows how to clear a channel using POSTMAN. This is a remote API helper function. A callback routine that executes when you delete the Line object (e. diary toggles diary mode on and off. How to plot the step function u(t) in matlab using the heaviside command. - command window/script calling function variable = function_name(in1, in2, in3) Just make sure that whatever array you want to see in your workspace is stored to the "output_var" or it won't exist outside the function. Secondly when calling the function, you need to store the result to a variable. The typical way to do this is to create a MATLAB. If you use the help command to display help for delete, then you need to supply the pathname shown below. Whenever MATLAB ® detects mouse motion over the figure, functions f1, f2, and f3 are called in that order. Then, the function result is being further processed using the Excel/VBA Mid, Right, Len and Find functions in order to remove unnecessary spaces and, finally, get the required output. Delete the leading and. Two scores are produced: 1) the normal B-based scores, and 2) the score based on the alpha parameter. MATLAB Commands - 1 MATLAB Commands and Functions Dr. This example shows how to remove data from individual cells, and how to delete entire cells from a cell array. Still you can do many things to manipulate this element. MATLAB provides a number of features for documenting and sharing your work. I have a Matrix of 400 rows and 40 columns. MATLAB - Functions. The code generation report highlights calls from your MATLAB code to extrinsic functions so that it is easy to determine which functions are supported only in the MATLAB environment. com and yet one of the least discussed topic on the CSSM forum?. Vector Functions. You can also edit dataset arrays using the Variables editor. To delete the callback, select the Callbacks tab in the Code browser (to the left of the editor in code view) and select the callback you wish to delete. When you call a function in MATLAB, you can pass from zero up to the number of arguments that are specified. A matrix is a two-dimensional array of numbers. matlab-help-text asec CSC acsc cot acot exp log logic sqrt abs angle conj imag real fix floor ceil round mod rem sign norm rank det expm logm sqrtm max min mean median std sort sortrows sum prod hist diff gradient fft plot ioglog - semilogx - semilogy - polar plotyy Inverse Secant. After you find the MATLAB function or custom function in the MATLAB Function Wizard, you can specify the syntax and arguments. The erase function returns the remaining text as newStr. If h is a vector or matrix, close deletes all figures identified by h. Note that MATLAB implements some, but not all, of the extended regular expressions available in other languages such as Perl. Subsequent parallel language features will automatically start a new parallel pool, unless your parallel preferences disable this behavior. In the tutorial, students will solve the problem of finding the closest meet-up location on a map by creating an algorithm. Use the lower() function to convert all upper case letters in a string to lower case. Is there an easy way to remove a plotted line from a set of axes without clearing everything else on the axes? I'm trying to implement a GUI with a listbox containing several data sets. As an alternative, use the str2double function. NumPy code is Python code, so it has no such restrictions. MATLAB contains all of the standard functions such as sin, cos, log, exp, sqrt, as well as many others. directory you were in when you started matlab. One way to do this is: >> set (gca,'FontName','Symbol') "gca" is the "handle" for the current axes object. This screencast discusses the basics of user-defined functions in MATLAB, including syntax and the differences between functions and scripts. This is a remote API helper function. filename can be an absolute or relative path and can include wildcards (*). Use arduino. Audio Processing with MatLab. The prologue is organized into four sections. find all elements in the array a that has value 1 or 2). the root nearest 7. This example shows how to add and delete variables in a dataset array. By: Rachel Hager This lab is an introduction to audio processing with MatLab. Commonly used constants such as pi, and i or j for the square root of -1, are also incorporated into MATLAB. A callback routine that executes when you delete the Uicontextmenu object (e. clear functions--All functions are cleared in both the function workspace and in your base workspace. If you consider yourself a computer stud or studette you may want to skip to the ultimate path solution right now. This syntax allows you to use a combination of variable names, wild card characters, or regular expressions to specify variables to remove or keep. The configureOpenSim. setBoard ('uno'). Is it possible in Matlab to plot an even piecewise function like: $f(x) = \begin{cases} 3t , 0 < t < \pi \\ -3t , -\pi \le t \le 0 \end{cases}$ which has a period of $2\pi$. Before finding the approximations to linear systems, it is important to remember that if A and B are both matrices, then AB is not necessarily equal to BA. Chapter 3 MATLAB Frequency Response Example A couple years ago one student asked if I could put together some of the MATLAB commands I used in obtaining the discrete-time G(z) using the integration rules, and for nding the frequency response (magnitude and phase). DeleteFcn string Delete uicontrol callback routine. I want to remove NaN and Zeros rows completely. For all these functions, a single argument creates a square array, double arguments create rectangular array. Do not supress displaying the result. Unfortunately, MATLAB does not innately have functions to do common string operations in some other languages such as string splitting. This makes the software particularly useful for linear algebra but MATLAB is also a great tool for solving algebraic and. Handle: RePEc:boc:bocode:m429002 as. I'm familiar with the 'unique' function for use on vectors (or individual columns of a cell array) but I'm stumped on how to work on the whole array at once. (Plotting using fplot. Delete duplicate observations. The function removeEvens should use the mod internal function and operate on a row array of any length. In the case of a for loop, the commands are executed a fixed number of times, whereas in a while loop the commands are executed until some specified condition is met. The cellstr function converts a character array into a cell array of strings. jar archives in user-defined folders and optionally updates any subversion or git working copies found. I'm trying to remove duplicate rows in a cell array. Graphical Interface. A callback routine that executes when you delete the Uimenu object (e. MATLAB Lecture 7. Manage Files and Folders in MATLAB Online. Type help colonfor more information. In MATLAB Online™, you only have access to the files and folders in your MATLAB Drive, and some file actions are not available, such as previewing file contents in the Details panel. Is there an easy way to remove a plotted line from a set of axes without clearing everything else on the axes? I'm trying to implement a GUI with a listbox containing several data sets. Vector Functions. Any ideas?. Also see the NextPlot property of Axes and the Using MATLAB Graphics manual. A singleton dimension is any dimension for which size(A,dim) = 1. I agree, the value is not set by the uicontrol if it is an editbox or a text. When Matlab delete is used to delete a file, Scilab equivalent is mdelete. The typical way to do this is to create a MATLAB. Matlab synopsis. Seamlessly integrate COMSOL Multiphysics ® with MATLAB ® to extend your modeling with scripting programming in the MATLAB environment. The task automatically generates MATLAB ® code for your live script. This syntax can be captured in a "Design Pattern". When multiple objects are passed to a method, Matlab determines which class's method to call based on the superior-inferior relation. , when you issue a delete command or clear the Figure containing the Uicontextmenu). MATLAB provides a number of features for documenting and sharing your work. 6 (R2008a) and prior, the ability to delete the unused Callback functions in the GUI MATLAB file is not available. Most of the functions that are used in matlab are actually just m. delete_inter. This may be from either the MATLAB command line, from within a function or script, or from anywhere that m-code can be executed. MATLAB is widely used in all areas of applied mathematics, in education and research at universities, and in the industry. To see the status of diary, type get(0,'Diary'). A character array is a sequence of characters, just as a numeric array is a sequence of numbers. I have a vector in matlab and want to remove all the duplicated entries in it. Code generation uses a different method than MATLAB ® to detect nonunique or ill-conditioned problems to issue warnings. clear does not affect the amount of memory allocated to the MATLAB process under UNIX. rmdir folderName s also attempts to remove all subfolders and files in folderName, regardless of their write permissions. This MATLAB function deletes all characters from str that occur between the substrings startStr and endStr, but does not delete startStr and endStr themselves. If match is a string array or a cell array of character vectors, then erase deletes every occurrence of every element of match in str. For Loops: For loops in MATLAB take the form of: "for i = 1:n / do stuff / end" (the forward slash indicates a line break). In MATLAB, functions have input arguments specified on the first line, in the function definition. ParameterizedFunctionSurface properties control the appearance and behavior of ParameterizedFunctionSurface objects. These functions exist in files whose name ends in a ". To distinguish the difference between solving systems that have a right or left multiply, Matlab uses two different operators, / and. Tips To delete multiple occurrences of a match when the occurrences overlap, use the strrep function. In fact, you can put a period in front of any math symbol to tell Matlab that you want the operation to take place on each entry of the vector. variable a in its workspace until you exit MATLAB or tell MATLAB to delete the variable. This gives me a jump start on the function development because I don't have to re-enter the commands. Use the num2str function for the conversion. Every now and then I discover a useful built-in Matlab function, often by bumping into them within the m-code of standard functions. A callback routine that executes when you delete the uicontrol object (e. To open it, select Set Path from the File menu in the MATLAB desktop. To execute a MATLAB function with multiple outputs, specify where to write the output. cpp, the source code of the C++ function. MATLAB is widely used in all areas of applied mathematics, in education and research at universities, and in the industry. How to remove zeros from an array?. Create a 3-by-3 cell array.