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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819 views

Does Matlab use the GPU for plotting?

I have a new laptop with a high end (GeForce GTX 770M) discrete GPU, but when I plot large amounts of data (50k+ points), it still seems quite slow and sluggish. Is Matlab using the GPU to render the ...
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1answer
1k views

return borrowed MATLAB license to Flex LM server

I am using MATLAB on a Windows 7 x64 machine, and I have successfully borrowed a license from the Flex LM server using the lmutil.exe lmborrow command line utility, but I am unable to return the ...
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1answer
344 views

Matlab launcher not found windows 8

I recently installed matlab in windows 8, in a different drive, other than the program files. After installation, its strange but am not able to find any launcher icon. Be it for uninstallation, or ...
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1answer
304 views

Matlab 2013a cannot find library powerlib

I have installed matlab 2013a in my computer. Everything works fine. But when I typed in powerlib in prompt it says cannot find library. Can anyone say how to install this library manually?
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1answer
381 views

Keyboard shortcut to exit matlab command prompt?

I've been using the command-line matlab interface (matlab --nodesktop) a lot lately. When I want to jump out of matlab and back to my bash shell, my instinct is to do Ctrl+D. I guess the bash and ...
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1answer
9 views

record audio with builtin and external mic simultaneously

I want to record two channels of audio into Matlab on OSX, using the internal microphone and an external usb microphone at the same time. Is this possible without any additional hardware?
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1answer
22 views

Matlab figure graph color

I have installed Matlab 2013a in my system. When plotting a graph by "ezplot" command, the color of the graphs in the figure is by default set as green. I want to change the color in Deep blue. How is ...
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1answer
78 views

Is my FPS limited by CPU or graphics card? Rotating 3D surfaces in Matlab

I have a modern laptop. When I use Matlab to visualize a 3D surface with a large number of vertices, I can only get a frame rate around 5 FPS when rotating it. With transparent surfaces, only 1 FPS. ...
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1answer
331 views

How to change font of matlab console in windows

I like to run matlab in console mode without JVM. So basically I run this command: matlab /nojvm It looks like this: What I want to do is change this font. And maybe the colors. What would be ...
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1answer
26 views

Solution for HPC with Matlab and Linux

I have the following problem. I want to install Matlab as root on a remote computer with graphical user interface installed. I've a campus license that can be installed on 4 different computers (or ...
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1answer
137 views

How can I use an SVM in Matlab without an external library?

I am a teaching assistant for a machine learning class and we are in the process of making an assignment to study SVMs. The problem is that our lab installations of Matlab do not have the statistics ...
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1answer
622 views

Allocating more CPU usage to MATLAB

I was wondering if there was a way to allocate more CPU usage to MATLAB. Currently, it says that 85% of my CPU is is idle. Is there some way to increase the threads MATLAB uses, or something along ...
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1answer
242 views

How to access MATLAB license server vis ssh?

I have MATLAB installed on my laptop which should connect to a certain host that stores license information. I used to be able to use MATLAB anywhere that I had an internet connection. Recently, I ...
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1answer
449 views

cell array of strings to matlab structure

I need to create a matlab structure as such ds=struct('name',{{'my_name_is'},{'matlab_thining_hair'}}) which stores as a 1x2 structure array with a field name. A call to ds.name generates the output: ...
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1answer
600 views

installing toolbox in matlab from one computer to another

I'm on a computer with multiple versions of matlab installed, not all versions share the same toolboxes. For some reason, I was able to "install" a new toolbox to one matlab version by copying the ...
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0answers
2k views

How can I find out why MATLAB crashes?

I'm using MATLAB GUI code that handles ten files, uses the image acquisition tool extensively, and also the data acquisition tool, and GPU programming. It usually works well, but from time to time ...
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0answers
11 views

How can I search in the Matlab command window for things named with an underscore?

Matlab 2013a can't seem to search in the command window. Example: I called two functions NLSCN and NLSCN_FAST. But when searching inside the command window, I was able to find the first, and not the ...
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0answers
478 views

MATLAB not loading- java NoClassDefFoundError

The installation itself was giving an error: java.util.concurrent.ExecutionException: java.lang.RuntimeException: data starting at 0 is in unknown format but when I deselected Aeromodeling toolbox ...
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0answers
10 views

Matlab extract numbers from cell with mixed contents

I have a cell array with different datatypes, from an excel sheet that I need to read in, but which is beyond my control. [~, ~, raw] = xlsread(xlsFile) raw is now a r-by-c cell vector, for ...
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0answers
7 views

Running MATLAB installed on a cluster from mac

I recently switched to mac from ubuntu, and I was wondering if there is any way in which I can use the MATLAB installed in a Linux cluster in my mac. I can run it without user interface, by using ssh ...
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0answers
88 views

License Manager for Matlab is unable to connect to the license server. License Manager Error 96

I am using Matlab R2014a. The license has been provided by the college. As soon as I launch the software, I get a following error message. I tried to ping the server addresses, and the were ...
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0answers
5 views

How to search matlab command history in command window

I know to search in the command window is Ctrl+Shift+S in windows. If the command window is clear with clc, how do I search the command history like Ctrl+R in bash? Thank you!
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0answers
16 views

Matlab editor doesn't save

As simple as that. I'm opening a new script file, click the "save", and it stays "untitled x*", with the * sign to show it's still not saved. I have no idea how to fix it, and it drives me crazy! ...
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0answers
11 views

How to implement conditional sum in a smart way?

I want to implement a sum over three variable l,m,n such that l,m,n are integers that are greater or equal zero and l+m+n is equal to some integer v. As I have quite a few of these sums in my ...
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0answers
45 views

How can I install Matlab to Ubuntu for all user accounts?

I try to install matlab to ubuntu server for the use of all possible user accounts. How should I install Matlab for that or where should I locate its installation ?
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0answers
36 views

Matlab is continuously asking me to activate when I am trying to launch

Matlab is continuously asking me to activate when I am trying to launch cd /usr/local/MATLAB/R2014a/bin User@User-Inspiron-N5010:/usr/local/MATLAB/R2014a/bin$ sudo ./matlab What is the solution ...
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0answers
21 views

Know which is the biggest matrix that can be computed in MATLAB

I mainly use MATLAB for solving linear problems such as Ax = b and the eigenvalue eig/eigs one. I noticed in my current configuration (OS X, i7 2,3GHz, 16GB RAM) that I can compute without using swap ...
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0answers
30 views

ode45 solver MATLAB improve time

I am numerically simulating the Mathieu equation using ODE45 and I have to keep changing the parameters delta and epsilon for each simulation to get the required peiodic solution. Following is the ...
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0answers
55 views

svn checkout/export files selectively

i am trying to implement a matlab routine, that would checkout (or export, even better) a subset of files and folders from a repository at a specific revision. eg. i have a repo structure which ...
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0answers
56 views

Having problems with installation of microsoft sdk on win 7 home premium

I wanted to install libsvm in MATLAB r2012 on my laptop ( win 7 home premium system ) . Now on the site , libsvm asks to run mex -setup , when I run this command in matlab , it fails and asks to ...
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0answers
158 views

Unicode development in MATLAB GUI on WIndows and Linux

Can anyone please direct me in the Unicode development of MATLAB GUI over Windows and Linux platforms? My problem is the erroneous display of Unicode (French) characters in GUI and *.m files. Once I ...
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0answers
114 views

Any workaround for USB Camera driver issue with MATLAB Image Acquisition Toolbox

I have a USB microscope attachment camera (DCM510 by ScopeTek) which works fine in their own software and several others such as AMCap, but MATLAB is unable to read the device's supported formats when ...
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0answers
88 views

Read frames into Matlab with avconv

I have a very large video file (5.9 GB - 120fps at 1.3 megapixel for 2h) from which I want to extract a few hundred frames at known, sparse time points, and send via the shortest path to Matlab. ...
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0answers
568 views

Install a GUI for Ubuntu Server, then install Matlab and X11

I purchased a Matlab 2013a for students, however, it only have 32 bits for a windows, but 64 bits for Linux. I installed Matlab on a Amazon EC2 Windows Server 2012 Instance, with 32 cores. However, ...
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0answers
93 views

UAC issue with matlab on win 7

I have the following problem using matlab on Windows 7. When I double-click a .mat file matlab starts and loads the double-clicked file. Double-Clicking further .mat files opens them also in matlab. ...
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0answers
781 views

How to build mym (matlab to mysql) on 64-bit Windows 7

Has anyone been able to get mym (http://sourceforge.net/projects/mym/) to build on a 64-bit Win7 machine? And if so would you mind posting or linking your steps to do so? My particulars: Windows 7 ...
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0answers
424 views

Trying to run MATLAB through an ssh connection, MATLAB process hangs

I have two computers and I am attempting to ssh from one to the other and then running an automated MATLAB script. My sshd and ssh client are both from OpenSSH via Cygwin on both machines, which are ...