# Deactivate Matlab

I tried removing the cell array field entirely and trying the above operation on the new array (which has only numeric fields), that didn't work either. LogicAnalyzer object. If you cannot get that far, please see our MATLAB Manual Deactivation page for further instructions. Special Arrays in MATLAB. Matlab Online provides project and tutorials of Matlab like distributed generation, DG, ESS, Energy storage system, PSO, Thursday, 21 June 2018 PARTICLE SWARM OPTIMIZATION (PSO) MATLAB CODE EXPLANATION. Delete the default entries in the chart : By default, Excel chart would plot taking data from all the available non-empty columns. Learn more about matrix, array, zeros, delete MATLAB. However, if you want more precision, you need to use the format command. in Optical Sciences specializing in imaging, image processing, and image analysis. how do I deactivate a computer?. MATLAB File Help: cv. how to give a triggers to 4 different cameras. In the Uninstall Products dialog box, select the products you want to remove and click Uninstall. Picture the scenario: You have opened the same file twice, first for writing and then for reading, you now have two file identifiers for the one file. MATLAB will execute the above statement and return the following result − final_velocity = 196 The format Command. Learn more about delete, array, rows MATLAB. How to delete from timeseries ?. Although. MATLAB Central contributions by Image Analyst. Learn more about image acquisition, camera. When I next ran Matlab, it said I needed to deactivate this installation immediately. How can I change MATLAB's output format or precision? Matlab always works in double precision (unless you are using the Symbolic Math Toolbox), but output display can be changed with the "format" command. One of the main advantages of Simulink is the ability to model a nonlinear system, which a transfer function is unable to do. Remove white space from figures in MATLAB August 17, 2011 adin Leave a comment Go to comments Today I was struggling again with those annoying white spaces around the figures in MATLAB when you convert the figure to EPS, TIFF, PNG, JPEG or any other format. (Click on the "Home" tab if you don't see the help menu. Once you have deactivated your previous activations you will be able to activate MATLAB on your new computer. Since a lot of geologic data is naturally of more than one dimension, we have use for these capabilities. Learn more about deleting. delete(obj) removes obj from memory, where obj is a serial port object or an array of serial port objects. i have codes but they are not executing properly and stuck and bibc and bcbv concept in matlab. I am writing an application that will be sent out to customers who may not have that toolbox installed and I would like to w. MATLAB makes creating a plot easy. Choose to start deactivation after running the uninstaller. Demo_SR_Conv: another simple demo implemented all by convolution operations. I'm working on one scenario and I'd like to disable the other sections, just while I'm working on that bit so that I can run the code quickly without having to wait for it to do all the other stuff too. This le can now be compiled from a LATEX editor to generate a LATEX document. Deactivate an Installation. However, if you want more precision, you need to use the format command. I'm working on one scenario and I'd like to disable the other sections, just while I'm working on that bit so that I can run the code quickly without having to wait for it to do all the other stuff too. Complex numbers are stored in standard C++ notation, which is a tuple surrounded by brackets: eg. delete filename deletes filename from disk, without requesting verification. MATLAB Input and Output Input with user inputs { delete: delete file. You can enter a command by typing it at the MATLAB prompt '>>' on the Command Window. You will need to re-activate MATLAB using a new Activation Key (see below). This function corresponds to the fits_delete_rows (ffdrow) function in the CFITSIO library C API. Since Python is a general purpose language, if you want Matlab like functionality, you need to. I just delete the incorrect lines, add the function definition, and insert variables. pi The number p. A linked block does not allow structural changes to it. Introduction. USAGE xls_delete_sheets(xlsfile) xls_delete_sheets(xlsfile,sheets) INPUT - XLSFILE: name of the Excel file - SHEETS: cell array with the worksheet names, or matrix with positive integers to tell which worksheets are going to be protected. 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. Navigate to Help Menu > Licensing > Activate Software. The MATLAB interface – matcaffe – is the caffe package in caffe/matlab in which you can integrate Caffe in your Matlab code. The effort you put into asking a question is often matched by the quality of our answers. Deactivation can be a useful way to manage usage of the software on multiple computers. Selecting the deactivation feature will immediately expire the license. mexw32 on 32-bit windows) to a different name (e. Hi, I want to delete my account and i already emailed costumers service and they don't seem to want to delete it. MATLAB news, code tips and tricks, questions, and discussion! We are here to help, but won't do your homework or help you pirate software. 7) Go to the Workspace window and check that the variable a is in your workspace. MATLAB makes creating a plot easy. University of California San Diego has a Total Academic Headcount (TAH) license for MATLAB, Simulink, and add-on products. Glad to see you're trying Python instead of Matlab. Unfortunately, this technique does not always work well, and an alternative mechanism. would result in a two row, three column matrix. This model demonstrates how you can apply this technique using LiveLink™ for MATLAB®. I run the matlab bench and I got ***extremely bad 3D performances*** on both Matlab 6. Get the inside view on MATLAB and Simulink Insights and information from the engineers who design, build and support MathWorks products Subscribe to All Blogs Meet the Bloggers. VERY Basic MATLAB File I/O save filename x y -ASCII • filename is the name of the ﬁle that you want to write data to. If you cannot get that far, please see our MATLAB Manual Deactivation page for further instructions. Try it now: Type clc and press Enter at the MATLAB prompt. Matlab Online provides project and tutorials of Matlab like distributed generation, DG, ESS, Energy storage system, PSO, Thursday, 21 June 2018 PARTICLE SWARM OPTIMIZATION (PSO) MATLAB CODE EXPLANATION. In the case of MATLAB, array size does not need to be specified when the variable is created. Delete Column from matrix. Creating and deleting directories files and folders in Matlab Here I will explain how to create and delete files or directories in Matlab. 0), their first user accessible class system was introduced. Recently I took a class on Machine Learning and was surprised to find that the professor was not going to use Matlab, but a Free Software alternative called GNU Octave, which was good news because it meant not having to spend money on a proprietary software. If you are just starting to use source control in MATLAB ®, select a source control system that is part of the MathWorks ® source control integration with the Current Folder browser, such as Subversion ® or Git™. m file also backs up any changes it makes to MATLAB configuration files. Misc Notice to Deactivate Matlab (self. When BackingStore is on, MATLAB stores a copy of the Figure window in an off-screen pixel buffer. To run the velview and tsview programs you should download the Matlab® mfiles for either x86_64 (GGMatlab_x86_64. This enables us, for example, to open a Microsoft Office document programmatically, and modify it from within Matlab. Deactivate an Installation. how to delete a column from the matrix. Deactivating the old machine and activating on the new machine completes the license transfer process. The fprintf function. How could I do it? I guess the procedure is FFT the signal, delete those components and then apply the IFFT, but I don't know how to implement it. of push buttons and other test fields, and i want to disable them till a radio button is selected; So, how can disable an entire panel without going for each component and disable them separately ??. Simulink is a graphical extension to MATLAB for modeling and simulation of systems. The file should end in the extension ". Add equations, images, hyperlinks, and formatted text to. MathWorks MATLAB R2019a (Build 9. How do I disable the 'Do you want to save' message box that pops up in Excel when I invoke a save using ActiveX in MATLAB 7. That is just my experience, I don't know if it works on others computer. If you are unable to deactivate MATLAB for some reason, please contact MathWorks support:. delete some matrix elements. MATLAB is a high-level language and interactive environment for numerical computation, visualization, and programming 🖥️ Follow us on Instagram @MATLAB. Delete a row in a structure that contains a Learn more about delete row structure. Learn more about delete, array, rows MATLAB. There are (several other updates which were not in the past) programs. The MATLAB Support Packages for Arduino Hardware lets you use MATLAB to communicate with your board through USB cable. av_files = 26x1 struct array with fields: name date bytes isdir Index into the structure to access a particular item. I see matlab thre but when i click on it. MATLAB uses a search path to find M-files. sh & between first and current second line. Toggle Main Navigation Using Matlab's posibility to search a file in the complete list of folders in the path. How could I do it? I guess the procedure is FFT the signal, delete those components and then apply the IFFT, but I don't know how to implement it. If you are unsure how to do this, see the Related Solution "How do I deactivate MATLAB?":. Matlab is an interpreted language and looping through a vector like this is the slowest possible way to change a vector. It seems like I can't deactivate the license on this machine. This example creates the GPIB object g, connects g to the instrument, writes and reads text data, disconnects g, removes g from memory using delete, and then removes g from the workspace using clear. One of the main advantages of Simulink is the ability to model a nonlinear system, which a transfer function is unable to do. Choose a web site to get translated content where available and see local events and offers. If your MATLAB license has already expired, the activation client will launch and you can skip the next step. Below is a sample code of MATLAB and its eqv Python code using Numpy package. You can use this function to disable the default axes interactions or a custom set of axes interactions. Starting with neural network in matlab The neural networks is a way to model any input to output relations based on some input output data when nothing is known about the model. In the case of MATLAB, array size does not need to be specified when the variable is created. would result in a two row, three column matrix. Description. Kindly send your email id on our whatsapp number +917276355704. 5 and 2007b. Selecting the deactivation feature will immediately expire the license. This means that variables are stored as lists of numbers, with the most basic list containing only one number. Learn more about computer deactivation. Choose a web site to get translated content where available and see local events and offers. This can be particularly useful when the appropriate flow of control depends upon things external to the program such as a user's interaction with a graphical interface or environmental sensors. The tedious way to do this would be to set the Enable and Visibility properties to 'off' for each button individually. In MATLAB, functions are defined in separate files. A Standalone or Individual License is for an end user who wants to personally install, administer, and operate the software on a single computer, in a situation where the computer will only be used by one person at a time. Inf Infinity. Roshan Helonde 29 May 2019 at 21:22. Ulrich Wohlfarth. Read how to add path in matlab. I need to deactivate MATLAB but I cannot access the machine that MATLAB was installed on. Destructor. MathWorks is the leading developer of mathematical computing software. Delete Column from matrix. 7 (R2008b)?. Update [2014-04-13]: a function was created for inserting background image to MATLAB gui (or any figure for that matter). Reply Delete. Ulrich Wohlfarth. You will need to re-activate MATLAB using a new Activation Key (see below). MATLAB is a high-performance language for technical computing. Cell arrays in Matlab use the curly bracket {} notation instead of the normal parentheses (). The file should end in the extension ". Senior Scientist and Inventor in one of the world's 10 largest industrial corporations doing image analysis full time. I want to completely remove rows 3 and 9 to get a matrix with 398 rows. A vector is a one-dimensional array and a matrix is a two-dimensional array. The newplot function provides an easy way to handle the NextPlot property. What am I doing wrong? My strucutre array has both numeric and cell arrays. 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. Example: 'vdp/Mu' Example: [handle1 handle2]. legend positions the legend based on a variety of factors, such as what objects the legend obscures. variable a in its workspace until you exit MATLAB or tell MATLAB to delete the variable. How do I deactivate MATLAB?. Selecting the deactivation feature will immediately expire the license. Deactivation can be a useful way to manage usage of the software on multiple computers. In previous articles, I explained how we can use findjobj to customize a Matlab uicontrol’s underlying Java control, thereby improving its appearance and functionality. To change whether the specified file is permanently deleted or sent to the recycle bin, change the Deleting files preference. MathWorks is the leading developer of mathematical computing software. Select a Web Site. A Standalone or Individual License is for an end user who wants to personally install, administer, and operate the software on a single computer, in a situation where the computer will only be used by one person at a time. Deactivate an Installation. After that, you can open the Matlab again and it asked you to enter the account info. Learn more about matrix, matrix manipulation, matrix array, mathematics. To load the file into a variable in matlab, you'd type something of the following form (substituting the path for your data) at the matlab prompt:. Files and Organization Structuring code, both among and within files is essential to making it understandable. The graphic card is an NVIDIA Quadro FX360M. If you have activated the new license, MATLAB should begin to use it once your old key expires on August 1. The tedious way to do this would be to set the Enable and Visibility properties to 'off' for each button individually. This video describes how to plot two lines on the same plot in a GUI axes object, and then selectively delete each of the lines using push buttons. I want to delete some variables that I have declared in command window in matlab, I tried clear all but it didn't work. subplot(m,n,p,'replace') If the specified axes object already exists, delete it and create a new axes. Using MATLAB, you can analyze data, develop algorithms, and create models and applications. Start MATLAB with admin-level access (in Windows, right click on MATLAB and select Run as administrator) On the MATLAB menu, see Help -> Licensing -> Deactivate Software; Deactivate the previous license. delete(obj) removes obj from memory, where obj is a serial port object or an array of serial port objects. In many cases, you may wish to insert a background image to the existing GUI. How could I do it? I guess the procedure is FFT the signal, delete those components and then apply the IFFT, but I don't know how to implement it. Learn more about app designer, multiple guis, package app, matlab app MATLAB. MATLAB/Octave Python Description; doc help -i % browse with Info: help() Browse help interactively: help help or doc doc: help: Help on using help: help plot: help. Python was never meant to be a replacement for Matlab. Deactivate an Installation. By default, MATLAB publishes the M- le to an /html subdirectory of the directory containing the M- le. I am writing an application that will be sent out to customers who may not have that toolbox installed and I would like to w. delete filename deletes filename from disk, without requesting verification. uitable is probably the most complex basic GUI controls available in Matlab. How can I change MATLAB's output format or precision? Matlab always works in double precision (unless you are using the Symbolic Math Toolbox), but output display can be changed with the "format" command. To change whether the specified file is permanently deleted or sent to the recycle bin, change the Deleting files preference. Introduction to MATLAB What is MATLAB? MATLAB (“MATrix LABoratory”) is a tool for numerical computation and visualization. I have R2013, I can't find the deactivate_matlab. Force delete in matlab The following Matlab project contains the source code and Matlab examples used for force delete. Well i am getting a problem with matlab 2010b. You should also be able to delete it using the delete method: >> delete(h1) More documentation at the Mathworks website:. You can save your projects at Dropbox, GitHub, GoogleDrive and OneDrive to be accessed anywhere and any time. I have a question concerning the symbolic toolbox. When running from MATLAB this verion of the m-files should be downloaded. Particular cases close. tag — Tag identifying which cursor to delete randomly assigned character vector. 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). Therefore, I am unable to retrieve the deactivation string. This page demonstrates procedures for running MATLAB applications through the SCC’s batch scheduler. Once you have deactivated your previous activations you will be able to activate MATLAB on your new computer. Lot of times, we come across situations, where we need to save the data or read the data generated from the experimental simulation to an Excel file. MATLAB is an interactive program for numerical computation and data visualization. Amlan Jena. Python was never meant to be a replacement for Matlab. The axes object is deleted, but the figure remains. Learn more about gui, guide, uicontrol, disable. Use this form when the filename is stored in a string. MATLAB/Octave Python Description; doc help -i % browse with Info: help() Browse help interactively: help help or doc doc: help: Help on using help: help plot: help. Matlab to Python code conversion: Matrices are not aligned. Furthermore, MATLAB is a modern programming language environment: it has sophisticated data structures, contains built-in editing and debugging tools, and supports object-oriented programming. It's a general purpose programming language like Java, or C#. The MATLAB Live Editor provides a new way to create, edit, and run MATLAB code. After that, you can open the Matlab again and it asked you to enter the account info. It comes with SIMULINK, which is a graphical tool for designing electrical and mechanical control systems. MATLAB makes creating a plot easy. You will need to re-activate MATLAB using a new Activation Key (see below). MATLAB Tutorial Chapter 5. date Displays current date. Of course, before you can create any plot, you need a source of data to plot. Does not sound like that's what you're referring to. Hi, if you check the preferences (this is for MATLAB 2015B) there is an option, as another answer mentions, to turn it off. Since many of the the same questions appeared again and again, I decided to start collecting what I thought were the most. Lot of times, we come across situations, where we need to save the data or read the data generated from the experimental simulation to an Excel file. Learn more about delete element. Use this form when the filename is stored in a string. Demo_SR_Conv: another simple demo implemented all by convolution operations. In MatCaffe, you can. Heating of an object from alternating regions is one example where the modeling technique of activating and deactivating physics on domains can be useful. Choose a web site to get translated content where available and see local events and offers. i made a mistake by using a different username while opening my matlab on my laptop. The configureOpenSim. Tag: python,numpy. Reactivating MATLAB on a PC or Mac. Deactivating an installation renders the MathWorks ® software unusable on a particular computer. Delete the heading information with a text editor and use the load command :-( Use the fgetl command to read the heading information one line at at time. • x, y are variables to be written to the ﬁle. xlswrite filename M sheet range is the command format for xlswrite, showing its usage with all input arguments specified. Learn more about timesseries, time series, matlab, help, delete data, matlab function. However, I want something a little more tricky. Say PARA=1 if you want to have this Simulink block in your code and PARA=0 if you want to comment it out. How do I deactivate MATLAB?. However, before that, let us discuss some special types of arrays. Build an SQL statement sqlquery that combines the SQL for the delete operation with the MATLAB variable. Delete a graphics object and a graphics object array. Matlab Crack R2018a + Patch is one of the new editions of MATLAB online simulator. That legal argument said: what you are hitting is a different problem. would result in a two row, three column matrix. Access MATLAB variables. demo - Run demonstrations. There is no typographical difference in appearance between numerical variables and string variables. Matlab is a software package that makes it easier for you to enter matrices and vectors, and manipulate them. matlab) submitted 7 years ago by N736RA Right, so I'm new to MATLAB, but what I have is a large data set (4x10074), the second column of which is a binary code, so whenever theres a zero in that column I want to delete the entire row. Use this form when the filename is stored in a string. Yes, you can use the printopt() and print() functions to perform the task using the keyboard, but only if you’re willing to perform the task nearly […]. delete filename deletes filename from disk, without requesting verification. How do I deactivate MATLAB?. Q:How do I activate my expiring MATLAB license for the next academic year? Your MATLAB license will expire each year on July 1. After come lete installation i did not get mstlab icon. tex le (which has the same name as the. So, first we need to select the chart 'ExperimentChart'. The graphic card is an NVIDIA Quadro FX360M. Since Python is a general purpose language, if you want Matlab like functionality, you need to. In this video, I show you how to remove or delete rows or columns of a matrix in Matlab. Variable Types: The only type of variable in MATLAB is an array. Note MATLAB does not ask for confirmation when you enter the delete command. The following table lists these GUIs and tells you how to get more information about each one. Simulink Basics Tutorial. After come lete installation i did not get mstlab icon. The only penalty in passing the sub-structs is the creation of an intermediate struct, but you are not copying the data at all (except for the pieces that change). M Files Modularize. If the Command window contains any information, MATLAB clears it for you. pi The number p. a = 10; str = 'a'; clear all Matlab doesn't delete them, why? Is there any function that can do this for me?. plotting Data vs timeline. USAGE xls_delete_sheets(xlsfile) xls_delete_sheets(xlsfile,sheets) INPUT - XLSFILE: name of the Excel file - SHEETS: cell array with the worksheet names, or matrix with positive integers to tell which worksheets are going to be protected. If you do not deactivate, MATLAB may continue to use the standalone license information. Choose to start deactivation after running the uninstaller. I need to deactivate MATLAB but I cannot access the machine that MATLAB was installed on. Of course, before you can create any plot, you need a source of data to plot. To deactivate MATLAB from the MathWorks License Center. This example shows you a very simple example and its modelling through neural network using MATLAB. how to delete mat file. Hi, I want to delete my account and i already emailed costumers service and they don't seem to want to delete it. Open Mobile Search. Donn will present a series of articles about UDD classes and objects, on which many undocumented Matlab features and functions are based. Yes, you can use the printopt() and print() functions to perform the task using the keyboard, but only if you’re willing to perform the task nearly […]. Van de ontwikkelaar: MATLAB is the language of technical computing at leading engineering and science companies and the standard software at more than 5000 universities worldwide. Learn more about image acquisition, camera. Some time ago, a reader on the CSSM newsgroup asked whether it is possible to disable an entire figure window while some processing is taking place. m file also backs up any changes it makes to MATLAB configuration files. Learn more about matrix, array, zeros, delete MATLAB. This is done on the MathWorks License Center. Learn more about delete, column, a null assignment can have only one non-colon index. Is there a way to disable all plots/figures/graphs in Matlab? either in the options, or by executing a certain code like disable plot and enable plot to ensure that no figures are being displayed. Start MATLAB with admin-level access (in Windows, right click on MATLAB and select Run as administrator) On the MATLAB menu, see Help -> Licensing -> Deactivate Software; Deactivate the previous license. of push buttons and other test fields, and i want to disable them till a radio button is selected; So, how can disable an entire panel without going for each component and disable them separately ??. Delete tags that are meaningless or obstruct searches. Select web. My two previous articles on the Matlab editbox were a classic example of this mechanism. Although. I'm designing GUIs where, sometimes, I want whole groups of uicontrols to be hidden from and inaccessible to the user. Lot of times, we come across situations, where we need to save the data or read the data generated from the experimental simulation to an Excel file. To deactivate MATLAB from the MathWorks License Center Select the license you want to deactivate. Hide and disable uicontrols in groups. Select the "Install and Activate" tab Under the last column, "Deactivate," click the blue X in the row of the activation you want to deactivate. Using MATLAB, you can analyze data, develop algorithms, and create models and applications. By default, MATLAB displays numbers with four decimal place values. This tutorial is designed to provide the reader with a basic understanding of how MATLAB works, and how to use it to solve problems in linear algebra. Choose Activate using Internet. I wanted to download and activate Matlab in one of the PCs (the one I use alot) but I. See your results together with the code that produced them. You enter any number of lines of code on the editor, and obviously you can edit them comfortably. To download the files below, you will need to log in using your Columbia UNI. When you remove a MATLAB installation, you remove the deactivation application, so it is best to deactivate before removing your installation. One of the main advantages of Simulink is the ability to model a nonlinear system, which a transfer function is unable to do. They are easy to plot in Matlab. Note: if you put a MATLAB variable x to MATLAB engine session, then the MATLAB engine will take over the management of its life cylce, and you don't have to delete it explicitly. Q: How to handle the name conflict between svmtrain in the libsvm matlab interface and that in MATLAB bioinformatics toolbox? The easiest way is to rename the svmtrain binary file (e. You can just simply deactivate your license from the "HELP" button on the Matlab and choose "Deactivate". Andy Register wrote a detailed reference on using this system. A Standalone or Individual License is for an end user who wants to personally install, administer, and operate the software on a single computer, in a situation where the computer will only be used by one person at a time. Last week, Mike posted an article about the built-in functions uiwait and uiresume on MathWork's Matlab Desktop blog, which more-or-less answers this need. xlswrite filename M sheet range is the command format for xlswrite, showing its usage with all input arguments specified. legend positions the legend based on a variety of factors, such as what objects the legend obscures. sir i rally need matlab code for this. 00:51 What is Matlab, how to download Matlab, and where to find help 07:52 Introduction to the Matlab basic syntax, command window, and working directory 18:35 Basic matrix arithmetic in Matlab. Is there a way to disable all plots/figures/graphs in Matlab? either in the options, or by executing a certain code like disable plot and enable plot to ensure that no figures are being displayed. MATLAB makes creating a plot easy. Simulink is a graphical extension to MATLAB for modeling and simulation of systems. The format long command displays 16 digits after decimal. After come lete installation i did not get mstlab icon. How to delete a zeros in matrix?. Some time ago, a reader on the CSSM newsgroup asked whether it is possible to disable an entire figure window while some processing is taking place. A surface is a set of polygons. When obscured parts of the Figure window are exposed, MATLAB copies the window contents from this buffer rather than regenerating the objects on the screen. MATLAB news, code tips and tricks, questions, and discussion! We are here to help, but won't do your homework or help you pirate software. Online Octave Compiler, Online Octave Editor, Online Octave IDE, Octave Coding Online, Practice Octave Online, Execute Octave Online, Compile Octave Online, Run Octave Online, Online Octave Interpreter, Execute MATLAB/Octave Online (GNU Octave, v4. If you use the following: >> h1 = text(x,y,'text as string') h1 will be an object handle to the text you just placed on your graph, allowing you to manipulate its properties, move it around, etc. A vector is a one-dimensional array and a matrix is a two-dimensional array. Using Windows Explorer: Open Windows Explorer (Left click Start then Programs then Accessories then Windows Explorer) or (Hold down the Windows key and press E). how to activate matlab This video describe about how to activate matlab full crack video link: https://www. matlab) submitted 7 years ago by N736RA Right, so I'm new to MATLAB, but what I have is a large data set (4x10074), the second column of which is a binary code, so whenever theres a zero in that column I want to delete the entire row. MATLAB makes creating a plot easy. Learn more about timesseries, time series, matlab, help, delete data, matlab function. Lot of times, we come across situations, where we need to save the data or read the data generated from the experimental simulation to an Excel file. How can I deactivate MATLAB without the deactivation string or access to the machine MATLAB was activated on?. Ulrich Wohlfarth. A matrix is a two-dimensional array of numbers.