inverse matrix inv pinv linfactor ginv
Hi there, I want to solve or b the : (X'X)*b=X'*y. I have some issues with the inverse of X'*X. (vector b should estimate the vector [5 0.1048]. (regression coefficients)) MATLAB(R2007b). In the beginning I used "inv" and got a warning: Warning: Matrix is close to singular or badly scaled. Res... 4 Oct 2009 11:00
Contour maps
Hello I am having trouble with contour maps. Can anyone provide me with a concrete answer as to how it works. I did look at the example and help in matlab but I still don't get it. Let us say I have the following problem: Column X, Column Y so when i plot that i get a figure, lets say a circle and a triangle ins... 3 Oct 2009 16:36
Matlab 2009a Student Version install problems
The installer script seems to be trying to call a 64-bit version of xsetup (which doesn't exist on my dvd). Try installing with a 32-bit program environment: linux32 ./install_unix.sh This worked for me. -Ken. "Patrick " <patrick.b.williams(a)cgu.edu> wrote in message <h5kaqp$ghu$1(a)fred.mathworks.com>... ... 2 Oct 2009 20:59
manually use of make_rtw
How can I use make_rtw or generate code manually from a block in my model? I want to generate a s-function from a block but instead of using the context menu I want to do it in command line, so then I could automatize the process when there are changes. Thank you. Ramon. ... 6 Oct 2009 19:21
mex ifort and shared libraries
I'm trying to mex yprimef.F file with the intel compiler, I set the mexopts.sh file as follows: FC='/opt/intel/Compiler/11.0/081/bin/ia32/ifort' FFLAGS='-fpp -fPIC -u -w95 -warn all' FLIBS="$RPATH $MLIBS -lm -L/opt/intel/Compiler/11.0/081/lib/ia32/" FOPTIMFLAGS='-O3... 2 Oct 2009 12:00
alternative to mesh?
Hi , I am using the mesh function to plot some wave field distributions in materials. I realised however, that some of the intricate parts of the field strengths a;hough present are not clear enough. I was wondering if there is some way I can increase the intensity of the color scale or perhaps use a different plott... 2 Oct 2009 09:45
acetrades.com review on the situation extended market acetrades review
We got the sp 500 looking like about 500 its going to any thoughts ... 1 Oct 2009 22:55
coneplot
Hi All, I am looking at the various way of plotting 3D graph. I had the below code to read an audio wav file and i understand that to use coneplot i must have velocity vector. I had read the help manual but i still dont quite understand it. Kindly check if I am able to use cone plot to plot the frequency spectrum of... 2 Oct 2009 04:18
MATLab Support for Matrox Morphis Frame Grabber
nobert thomas wrote: Hi, Is there any one who knows whether MATLab supports Matrox Morphis Frame Grabber. If so where to get help on developing an application using the same. I intend to develop a real time video application using a professional grade video camera. Hi Nobert, I believe that the latest MI... 1 Oct 2009 09:27
Error when running executable compiled using Matlab within C++program
On Wed, 30 Sep 2009 20:02:06 -0400, Scott <jetaking(a)yahoo.com> wrote: I'm having some weird issues getting a compiled Matlab program to work. My research partner made a Matlab program a long time ago that he compiled into a Windows executable. It runs perfectly fine if he runs it from the command ... 1 Oct 2009 09:27