# Tagged Questions

MATLAB is a high-level language and interactive programming environment developed by MathWorks. It is the foundation for a number of other tools, including Simulink and various toolboxes that extend the core capabilities.

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### MATLAB,Signal Processing

Is it possible to convert a PDF to .mat file for processing in MATLAB? I have ECG signal in PDF format.I want to process it in MATLAB
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### Straightening a curved image in MATLAB

I registered a video of the experiment that I am carrying on - It is an image of a rotating cylinder. However, when I save the image, the cylinder appears a bit skewed as you can see in the image file ...
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### Truncate an array in a specified dimension in Matlab

In Matlab, does a pad command exist, which also pads in the negative dimension (therefore removing indices in a specified dimension)? [Edit: I knew something did this - fft does this for the input, ...
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### Creating an specific type of meta-algorithm

I need to create a program able to create an algorithm to Matlab. For instance, in this program, I want to give it an integer n>0 and make it create a Matlab algorithm with the following code: u1 = ...
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### Prevent Matlab from creating java.log.* files in the home directory?

I've recently started using matlab. If started with the jvm, log files will be created in the home directory (a different one every time it starts up). Opening log file: /home/max/java.log.4363 ...
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### how to multiply a matrix by its transposed?

I want to multiply a matrix by its transposed in order to knwo if it verify QtQ=I. Yet when I compute it on matlab I get something strange using a concept I'm not aware of: conj(x). Therefore, how ...
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### adding cumulative sum to a vector

I'm trying to write a function that calculates sum of ((-1)^k *sin((2k+1)t))/((2k+1)^2 ( for k=0 to n) t varies from 0 to 4*pi with 1001 values It's supposed to return a vector with size n. This is ...
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### Select rows starting with specific values

I'm trying to do something very similar to this post here. In that post, the OP wanted all the rows where the first column took value n: A = B(B(:,1) == n,:); I'm looking for all the rows where ...
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### Cannot install anything on Windows 10: “Error 997.Overlapped I/O operation is in progress”

I'm trying to install Matlab, but the culprit is probably Visual C++ Redistributable (which Matlab is installing along the way). When I run the setup, every time it fails with: Error 997....
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### Matlab 2015b laggy with windows 10 update process running (GWX.exe)

For a couple of days Matlab2015b has been much slower than before. I tested 2013b and 2016a and both were significantly faster (my S-Function runs ~10 times faster). Since it was not like this before ...
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### About Simulink, how can I perform Real Time operations in Matlab Function Block

If I try to perform a real time operation (the if statement) as shown below, the Simulink starts to give me many errors. I tried to use the data store bock, or store them to the workplace but that ...
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### Is MATLAB performance increased if it is on SSD

I have a 256gb SSD which has my OS (windows 8) and Office on it. I also have a 4TB USB3.0 external hard drive. I do a fair bit of image and signal analysis using MATLAB. Will there be performance ...
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### Multiple string replacements at once in MATLAB

I would have expected that the following command strrep('abc', {'a', 'b', 'c'}, {'1', '2', '3'}) returns '123' in MATLAB. It does not; instead, it returns a cell array: ans = '1bc' 'a2c' ...
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### Plot abscissa points

I have been instructed to plot abscissa points. This is new to me, even the concept is alien to me. I have a set of data, where S is the x-axis and res the y-axis. The goal is to plot a figure where ...
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I'm just trying to know how to established serial communication between Arduino and MATLAB. From this tutorial I copied the code, but as for my PC use "Windows" I had to change my serial port name. ...
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### How to constuct Taylor expansion of arbitrary function in Matlab?

I am reading a book titled "Homotopy Analysis Method in Nonlinear Differential Equation" by Shijun Liao. In chapter 13 Application in Finance: American Put Option, there is appendix about mathematica ...
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### How to set MATLAB R2015a as the default program for opening mfiles?

I have Mathematica 10.2 and MATLAB R2015a installed on my computer and unfortunately MATLAB m-files are recognized as Mathematica notebooks by the window. When I right-click on an m-file and choose ...
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### Simulink: xmakefilesetup error message interpretation

Simulink 2016a on Win10: raspberry pi make-file configuration. MATLAB Command: xmakefilesetup Note the directory that had to be manually configured as shown: http://s6.postimg.org/...
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### PSAT install on Matlab for MAC

Hi anyone knows how to install PSAT on Matlab on Mac computers? I have installed and running already Matlab 2015b. A guide would be great. Thanks in advance My steps was: to put the entire psat ...
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### Editing a “Fixed Width” Text File

I had originally drafted this question in Engineering SE, but on second thought it makes a lot more sense here. I don't know if SuperUser SE just doesn't have MathJax formatting or if I don't know how ...
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### How can I create an alias for dbstep inside the matlab debugger?

I'm using the terminal debugger of MATLAB. Among the various commands, one frequently has to type dbstep or dbstep in to advance line per line. Using the GUI debugger is not an option for me. I'm ...
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### Importing Spears SDIF Files Into Matlab

I have the mex files and some matlab code to import SPEARS SDIF file into matlab, but I am having a difficulty importing my sdif files into matlab...I don't really know how to use these mex extension ...
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### Pymatbridge win32 error (trying to install matlab_kernel in Python)

My goal is to install matlab_kernel on my anaconda so that I can run Jupyter with matlab kernel on my smaller laptop. However, there is a problem, when I run pip install matlab_kernel I get an error ...
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### padding matrix in Matlab / Encrypt with AES

I wanna encrypt/decrypt all kind of images that matlab could read with AES, but the input require a fix length of 128bit. So as a solution I have to pad the reading matrix to make the length multiple ...
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### How to increase number of available SMB requests in Windows 7?

I use an program (Matlab) which is giving errors about exhausting the number of change notification handles (CNH), known in Windows as server message blocks (SMB). Matlab's tech support said that ...
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### How do I force Excel to open documents with add-ins when another application has opened Excel process?

When MATLAB R2015b interacts with Excel, it opens one Excel process and then keeps the process open until MATLAB is closed. When this happens, if I try to open a spreadsheet through File Explorer, it ...
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### Is running 2 instances of MATLAB safe?

Can I run another MATLAB while waiting for a long loop to finish? I tried that before and it worked, but recently I tried again and found my PC (64-bit Windows 8.1 and MATLAB R2015b) frozen, with a ...
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### How to manage (admin) MATLAB sessions (saving workspace, closing sessions)

We are running MATLAB using a site wide license. Users connect to high ram machines via a remote desktop platform (linux), and their sessions are persistent so that they can carry simulations over ...
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### Further actions message after installing Matlab R2015a, Are they all needed?

At the final step of installing Matlab R2015a on my Win7x64 machine, I've come up with the following message. What is this? Should all of these steps be done? Your installation may ...
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### Adding some lines in 2D plot

I want to make a straight line at 4 as the paper and i want to find the values of a and b for which the max value is greater than 4. My code objfun file function f = threestate2(x,a,b) c1 =cos(x(1))*...
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### Matlab problems with i3 window manager, but not problems with xfce4?

I'm having trouble with matlab in i3. The window manager doesn't automatically switch to figure windows, there is heavy font corruption in matlab. If I logout, and log back into xfce4, matlab runs ...
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### How to add .bash_profile in Windows to run Matlab-based IPython notebooks

I'm looking at this tutorial to run matlab code in IPython notebook: http://anneurai.net/2015/11/12/matlab-based-ipython-notebooks/. but I am stuck at step3: I edited the .bash_profile file located ...
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### Read UDP packages created by another computer

Laptop 1 Laptop2 192.168.1.103 192.168.1.120 Ubuntu Windows 8 ? <-- Matlab: UDP I use MATLAB software on my windows and I ask it to generate real ...
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### Matlab Graphical Display Issues

I'm working on Ubuntu 15.04 and I'm accessing Matlab throught ssh (-X) on distant machine which run on fedora 20. Few days ago I had to change my computer for a new one with a CPU/iGPU i5-6200U(...
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### Restore MATLAB preferences on a computer that doesn't store them, e.g. work computers with limited permissions

I have two questions (and answers to them). I could make two separate questions and answers of them, but I won't, because the second question is the same as the first, but with a twist. The two parts ...
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### Is it possible to save a dynamic path to Matlab search path or pathdef.m?

I want to add a path like getenv('userprofile'),'\Dropbox\Matlab\example1' to the Matlab pathdef.m file. The system variable %userprofile% will change from computer to computer. Adding the phrase ...
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### Is there a GUI way to copy a folder's path in MATLAB?

Is there a way to easily copy the name of a folder's full path within MATLAB, from the MATLAB folder window, into a MATLAB script or command window? Dragging with mouse would be very nice, but I ...
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### Matlab regarding Structure Arrays

Inputs: 1. (struct) An MxN structure array Outputs: 1. (char) A PxQ character array where P = (number of fields + 1) * R and Q = 50 * C Function Description: MATLAB does fine when displaying a ...
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### Function argument in dir function inMATLAB

Is there a way to use dir command in a function in MATLAB. I want to take argument in fiction and that argument to be part of dir command for e.g function a = abc(num) aaa=dir('abc_num_*.csv); ...
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### simulation gets disconnected from adhoc network when working with UPD blocks

I'm working with MATLAB simulink and trying to send data using UDP block from a model running on external mode (on a quad-copter which runs on linux ) to a model running in normal mode on my computer ...
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### how to install google earth toolbox in matlab and plot .asc file

I wanted to know how can I plot ".asc" file in matlab and How can I install google earth toolbox for matlab ? I need to plot the same .asc file data on google-earth also.
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### How to type MATLAB commands in Makefile

I want to use MATLAB commands in Makefile. Actually I want to generate plots so I want to write MATLAB commands under a target. How to do this ? I want to write the command under the target directly ...
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### Viewing exacution of a single file in GNU Octave (echo fcnname on)

Question is simply: in MATLAB, you could simply use echo myFun on to set the echo status of a single function m-file to on, which then shows you each of the lines executed. In GNU Octave, however, ...
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### Cannot run program due to “device is not ready” error

I have a 32bit Matlab mex function that was linked against OpenDDS libraries as well as my own custom ones. I made a Visual Studio 2010 setup project to deploy the necessary dlls to other machines. I'...
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### matlab-emacs doesn't open a file for edit (2014b)

I downloaded and installed the matlab-emacs project from http://matlab-emacs.sourceforge.net/ using the dl_emacs_support.m script and edited my .emacs file according to the instructions. When I run ...
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### Is every thing OK in my matlab installation or not?

The operating system of my laptop is Windows7x64. Whenever I install MatlabR2013b on it, this message is shown at the end of installation process: Your installation may require additional ...
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### “Installation Failed” when installing Microsoft Windows SDK 7.1

The operating system of my laptop is Windows7x64. Whenever I install MatlabR2013b on it, this message is shown at the end of installation process: Your installation may require additional ...
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### Starting Matlab in Command Line Cygwin

I would like to start Matlab in its 'shell mode' from the Cygwin terminal. However if I enter matlab the GUI appears. If instead I try matlab -nodesktop Then a new command line opens in another ...