Matlab

new image
how do i make an RGB image from an existing RGB image and change the values of pixel in specified points ... 8 Jul 2010 14:43

mex run time error
Hi, I wrote a mex file like this: #include <stdio.h> #include "math.h" #include "mex.h" #define DATA_NUM 512 #define COEF_NUM 7 void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[] ) { mxArray *x_... 8 Jul 2010 23:38

SIMSCAPE: Different sets of domain parameters
Hi, I created a new hydraulics domain featuring fluid temperature as an extra across variable in order to model a heat exchanger. I would like to define fluid density, and heat capacity as domain wide parameters. The problem is that when I create a simscape block for a heat exchanger I will have two different fl... 13 Jul 2010 12:00

Understanding the interp1 function
MATLAB Version 7.10.0.499 (R2010a) I need help understanding how the interp1 function works. I have looked at the documentation (in particular example 1see below), and website (still working through all of these) and it still have not found an answer to my questions. I have varied the step of xi to values larger a... 8 Jul 2010 10:15

Parallel or distributed plotting
Hello, my problem is that I have to plot and print to a file a lot of results. The 90% of the computation time is due to that. So I would like to plot and especially print to file using several core, processors or even computers. I have tried two possibilities that have failed: 1) Using the parallel computing toolb... 10 Jul 2010 10:30

structure recursion
Walter Roberson <roberson(a)hushmail.com> wrote in message <hujlbg$1sq$1(a)canopus.cc.umanitoba.ca>... Walter Roberson wrote: bogfrog wrote: is there a function that can print every field in a structure, as would be needed to actually access that field? Untested: sf = functi... 8 Jul 2010 11:22

if all elements statement
I have a vector c 24x1 I want to say if all elements of C are greater than 35 then do the regression. is: if C>35 S=regstats2(Y,X) end a correct statement? ... 8 Jul 2010 11:22

Can MATLAB send a Mac email?
The subject line pretty much says it all. Is there a way to get MATLAB to send an email using the Mac mail program? ... 10 Jul 2010 09:25

Creating a mesh
I am having some troubles trying to figure out how to make a mesh. What I have is Lat, Lon, and an observation(numerical). What I am trying to do is create a mesh (300x300) from a 123 data point set. However my problem is that the Lat and Lon's are not sorted and to be put into the function I am using they need to be... 8 Jul 2010 15:51

Button down function lost after plot
I am making a GUI with multiple images that are plotted with the imagesc(data) command. As far as I can tell imagesc is different from plot and I am not able to pass the image a handle, so to get around this I use the axes command to set the current figure. But when I do this I lose all my settings that I created wit... 8 Jul 2010 14:43