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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11 views

Start a program twice from a batch file and then close the first instance

I am trying to write a batch file to start MATLAB in a loop until a license from network is registered, after that I will close this instance of MATLAB and start another one as server (Remote-API). I ...
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1answer
20 views

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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11 views

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 ...
0
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1answer
121 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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18 views

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, ...
1
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0answers
13 views

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 = ...
1
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0answers
18 views

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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0answers
25 views

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 ...
0
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2answers
51 views

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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13 views

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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15 views

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 ...
0
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2answers
140 views

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....
0
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52 views

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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10 views

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 ...
0
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1answer
92 views

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 ...
3
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1answer
46 views

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 ...
10
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6answers
44k views

MATLab crashes on launch OS X Yosemite

I've just installed the OS X Yosemite beta and can't open MATLab 2014a. It displays this error dialog: Does anyone have any ideas as to how this could be resolved?
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23 views

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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14 views

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 ...
0
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1answer
90 views

Serial Port not found by MATLAB to communicate with Arduino

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. ...
0
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81 views

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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26 views

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 ...
0
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1answer
65 views

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 ...
0
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1answer
43 views

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 ...
3
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2answers
499 views

How to increase the font size in the Matlab help browser permanently?

Maybe I'm getting old, but the text in Matlab's built-in help browser is too small for me to read comfortably. It is possible to increase the font size using Ctrl-+, but every time a new help page is ...
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0answers
7 views

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 ...
0
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0answers
14 views

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 ...
0
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2answers
26 views

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); ...
0
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1answer
44 views

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 ...
2
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1answer
108 views

MS Excel 2013 function TODAY() not updating unless source file is open

I use the TODAY() function in an excel worksheet which is accessed using MATLAB (i.e. I don't read the worksheet directly). Now I have to open the excel file just to update the TODAY() function, and ...
0
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1answer
423 views

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 ...
3
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1answer
95 views

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 ...
0
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0answers
142 views

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 ...
0
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0answers
35 views

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 ...
0
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0answers
13 views

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 ...
0
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0answers
10 views

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 ...
0
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0answers
197 views

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 ...
0
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0answers
21 views

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))*...
1
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1answer
164 views

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(...
0
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0answers
51 views

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 ...
1
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1answer
25 views

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 ...
0
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1answer
53 views

Matlab: How do I put another function within a function?

I have a function in Matlab that produces three specific results. I want to use these results as input arguments to a following function to calculate the end result. How do I go about combining the ...
2
votes
2answers
5k views

MATLAB is not working because of Java

I use Windows 7 x64. I have installed MATLAB 2010a to my computer. After running only the splash screen shows up for a while then program quits. I have found an error log and the first lines of the ...
1
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1answer
47 views

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 ...
0
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1answer
768 views

Is it possible using Matlab to draw a trading graph with deals?

In my trading software I write myself logs like this: 634782126998342815 q 0.0156327559515302 634782126998966816 q 0.0156323845819952 634782126999122816 q 0.0156323423136646 634782126999278816 q 0....
1
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1answer
94 views

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 ...
0
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1answer
60 views

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 ...
0
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0answers
69 views

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 ...
0
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1answer
6k views

Matlab can't run on windows 7

I have installed Matlab a long time ago and now when I am trying to run couldn't do it. More deeply, I am trying Matlab as double clicking mouse on it's icon as well right click and run as ...
0
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0answers
24 views

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 ...