Matlab

How to rotate a point about an axis formed by 2 points
Hello all, I have searched for an answer to this question for quite some time but am unable to find a solution that works for me. Here is what I am trying to do... I have 3 points that are within a 3D cartesian coordinate system. I want 2 of the points to form an axis and have the 3rd point rotate about this axis.... 1 Jun 2010 01:07

Tab Order in GUIDE
Hi, When I tab through the edit boxes in my GUI the order is all over the place. Is there any way to fix the way in which users can tab through my boxes. Does it go in the order the objects were placed in GUIDE (I will test this for now)? Thanks ... 1 Jun 2010 00:01

one line plot with different colors
Hi all, how can I plot one single line plot with different colors in the same line? For example, I want to plot only the negative values in red and the postitve values in black. To plot the data points in different colors is easy, but the line between (through zero) is the problem Thanks ... 31 May 2010 14:10

Multithreaded FEM assembly
Hello! Inspired by the submission http://www.mathworks.com/matlabcentral/fileexchange/21233-mex-multithreading I started to experiment a little with multithreaded mex functions. So far I have been doing only "embarrasingly parallel" stuff, on a dual core CPU, but I would be interested in doing something like FEM ma... 31 May 2010 13:03

adding impulsive noise to yuv sequence
Hi, i have used the code below to add gaussian noise to the yuv sequences. load C:\video_sim\test_seq\football\football frames=org_football;clear org_football dim_f=size(frames(:,:,1)); len=length(frames(1,1,:)); strt=1;stp=len; var_n=(10)^2; randn('state',0); for j = strt:stp v1=randn(dim_f); v2=v1-me... 31 May 2010 13:03

mean of unique values
How to mean columns(2 to end )of a matrix based on the unique values of column 1. Any idea? input=[ 2 10 50 1 20 100 2 30 150 1 40 200 1 60 300]; output=[ 1 40 100 2 20 200 ]; ... 31 May 2010 19:41

Amplitude and phase correction by a known transfer function
Hi, I am working on a small project which involves correcting distortions introduced by an acquisition system. The main problem is a resonate effect caused by pvc tubing which carries pressure signals to a transducer. These tubes introduce amplitude and phase distortions which can be seen within the signal in the t... 31 May 2010 11:57

Differentiate multiple plots in same figure.
Hello, I have 20 data files ( data in 2 vectos ) and I want to plot all of them on one figure. So I am plotting them in a loop. But how would I differentiate them like by using different signs/colors? and along with the legend. Thank you in-advance, Regards A Sridhar. ... 31 May 2010 13:03

De-Interlacing AVI
Here is a de-interlacing AVI script that works with mmreader function. Few people had asked about this on some earlier thread. This code runs successfully. % This Program is Capable deinterlacing AVI video of the european PAL % format (720 x 576, 25 fps). The Even and Odd fields are saved as frames % in ... 1 Jun 2010 11:57

"matlabpool close" vs "matlabpool close force" ?
I'm also concerned that there's a redundancy here. Also, I have a problem with both of these, I use the command: matlabpool close ??? Error using ==> matlabpool at 148 matlabpool is not currently active. Use matlabpool open to start an interactive session. === But there's still 4 licenses being ... 1 Jun 2010 07:33