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I have a mat file of 732 x 1 DOUBLE named as EnginePower. I used the mean function to find the average value of my engine power, i would first like to compare all the values against my mean value and those that are lower than the mean i would like to labe >> more

Original post by Chan TK

Last post by Bilgehan paray - 29 Jan 2015 - 2 replies


Hi all, I've looked around for ages but cannot find a different solution. I fear there isn't one.

Problem: I have a tool that batch processes data and creates loads (00's) of figures. I don't want them flashing up and getting in the way while the user is >> more

Original post by Oliver

Last post by Erik - 29 Jan 2015 - 19 replies


Hi all,
i have a little problem with a simulink project.

i have an input, for example a ramp type, and i need to use in my project only the first and the value at the time t+Dt, with Dt=10 sec, for example in order to determinate the velocity.

Which is >> more

Original post by Lorenzo Bernardi

Last post by Lorenzo Bernardi - 29 Jan 2015


I am trying to implement a nonlinear capacitance in
SimPowerSystems and have tried two different approaches,
however none of them has worked good enough.
The nonlinear capacitance is a part of a model of a
supercapacitor that I am making and the capa >> more

Original post by Patrik Johansson

Last post by Rehan Sadiq - 29 Jan 2015 - 5 replies


Dear all,

Hope you are doing great. I want to do one thing in Matlab. I want to run a Matlab program. Say we have output p1=4, p2=5, p3=0, p4=7;

Now we we want to take input of the above values in another Matlab program

where, c1=p1, c2=p2, c3=p3 and c >> more

Original post by Syed Ali
Last post by Syed Ali - 29 Jan 2015 - 8 replies


Dear all,

I a currently facing an issue with a function. I am designing a GUI with varying number of edit box. I have thus created loops to edit automatically the names of these boxes, using strings and the eval function. Until there everything is right. >> more

Original post by Romain

Last post by Romain - 29 Jan 2015



I am trying to create a 2 Hz sine wave and a 102 Hz sine wave that are sampled at 100 Hz. How can I do this?

t = [ 0 : 1 : 40 ];
% Time Samples
f = 2;
% Input Signal Frequency
fs = 100;
% >> more

Original post by David

Last post by Thomas Mueller - 29 Jan 2015 - 1 reply


My name is Seun, i am working on my thesis for a master's degree.
i'm to design a radio access technology selection algorithm in a heterogeneous wireless network.
is it possible for me to use matlab to simulate my heterogeneous wireless network scenar >> more

Original post by Oluwaseun

Last post by Hadi Zahmatkesh

Hadi Z

(Hadi Zahmatkesh)

- 29 Jan 2015 - 4 replies



I am implementing a MATLAB timer that performs a function every second. I am trying to have this go on indefinitely, but reliably it always stops after the 600th iteration (10 minutes) and I get the following error message:

Error while evaluatin >> more

Original post by Matt

Last post by Matt - 29 Jan 2015


A = [4,1,3,1,2, 1,2,1,2,2, 2,3,2,2,4, 3,1,2,1,2, 1,3,3,2,4, 4,2,2,4,1];

Use the concepts of looping and branching to search for the index of each occurrence of the following sub-sequence:
B= [2,2];

For the dataset given your result should be:
Part 1: Th >> more

Original post by John

Last post by Bruno Luong - 29 Jan 2015 - 7 replies


I need help with a problem: The equation sqrt(sqrt(a/b)) has a certain value of a and b that makes an excellent approximation to pi. Write a Matlab/Excel program to find the value of a and b. Consider only a and b less than 4000. Enter a then b.

I have u >> more

Original post by Dom John

Last post by David Wilson - 29 Jan 2015 - 5 replies



I have many function which has to be called from different directory. However, things get really complicated with "cd" to the directory when I need to call the function. Is there any way to set a global path. Is there any example?


Original post by Rajeev Narayanan

Last post by DZ - 29 Jan 2015 - 3 replies


Dear All,
I have PIV velocity data of grid size U(83*63*1000) and V(83*63*1000). The geometry is pipe with x goes from 0 to 100mm and y goes from 0 to 74mm. The pipe internal diameter is 74mm. I know that the spatial correlation coefficient in the x-direc >> more

Original post by Shahzad Munir

Last post by Shahzad Munir - 29 Jan 2015


I wish to output binary file from a mp3 file. My Matlab programming is as follow:
%Read MP3 File
x=uint8(fread(fid,'ubit >> more

Original post by Star

Last post by Star - 29 Jan 2015 - 2 replies


Hi guys,
I need some advice please. The matter seems pretty simple, but I'm out of ideas right now.... I have a popupmenu with [1 2 3]. When I switch it, I want a latex representation of a fit equasion respectivly for 'gauss1', 'gauss2' or 'gauss3'. Obvio >> more

Original post by Maxim Raskin

Last post by Maxim Raskin - 28 Jan 2015


I am working with very big m×n matrices (where n is large), and I would like to get a correlation between a single vector (of length m) to all the n vectors in the matrix.

So far, the only way I seem to manage to do this is to use a loop:

for i=1:n,
C( >> more

Original post by Raly Todorova

Last post by Raly Todorova - 28 Jan 2015 - 2 replies


I have an m-file that contains this function:

function [x, y, z] = MyFunc(a, b, c)

I compile to a C++ shared library, and in C++, I have code that looks
like this:

-- cut here
mwArray x, y, z, a, b, c;

a = /* set up a here */;
b = /* set up b here >> more

Original post by red floyd
Last post by Bilahari Akkiraju

- 28 Jan 2015 - 2 replies


I posted this question a while back and never got any replies. I have learned more about dicom images and am going to try and ask the question again. I want to use dicomwrite to create a single 3D dicom image file. I have formed a 3D array of pixel val >> more

Original post by David

Last post by Bara - 28 Jan 2015 - 2 replies


Dear Matlab experts,

I have a 30 x 1 cell array. two of the cells look like


[71.8400000000000,3.40000000000000,1 >> more

Original post by Veda

Last post by Veda - 28 Jan 2015 - 3 replies


I hope this is not a topic which has already been covered in depth
elsewhere. In fact, it probably is, but I hope you won't mind too
much as this is Friday afternoon and I doubt I'll make it to the
weekend if don't take a few shortcuts like this one.

I'm >> more

Original post by François Bouffard
Last post by Danial Arabali

- 28 Jan 2015 - 3 replies


Good morning,

I'm collecting stereo images in time and I would like to create a triangular surface mesh from those. Is it possible? I know that the "isosurface" command provides the desired output but I don't know how to handle all the different pictures >> more

Original post by Vinz

Last post by Vinz - 28 Jan 2015


Hello. I'm extremely new to MatLab. I'm a student... and I have an assignement that requires me to use it. No, I'm not asking for "Can someone do my homework?" I need help with the basics. My professor gave my class a 5 minute tutorial, and then gave >> more

Original post by Eric Vintimilla

Last post by shaik486 - 28 Jan 2015 - 3 replies


Hi There,
I am new to Matlab and trying to plot a temperature measurement data on a flat vertical surface.
I divided the surface into 17 x 14 nodal points and I want to plot the temp values on these point. I could do this by inputing the temp values manu >> more

Original post by Khalid Mansour

Last post by Khalid Mansour - 28 Jan 2015 - 2 replies



I am trying to run a .exe file using the system() command. I am successfully able to use it when I write the following:

system('pathto\file.exe pathin.ext pathout.ext');

The previous command is over 300 characters and works properly.

However, whe >> more

Original post by Brian Lauro

Last post by Steven Lord - 28 Jan 2015 - 1 reply


Note: I am using MATLAB r2008a

I am working on a project on Adaptive Video Coding for wireless channels.
So far I have an encoded bitstream similar to the one below (but more than 800,000 bits long):

>>bitstr =

1101010000010100010000000001010100000001 >> more

Original post by Sohaib Mansoor

Last post by amal - 28 Jan 2015 - 4 replies

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