Matlab

classregtree -- Can X be categorical variable(s) ?
Hi, I would like to know that can X matrix in classregtree be categorial variable(s)? Thanks in advance, Mongkut P. ... 20 May 2010 04:04

rounding to a fixed mantissa size
Hi, this is my first message here, be nice :) I've read here some posts about rounding issues, but didn't find the exact thing I'm looking for: I need to write a function that rounds a number to have d digits in its mantisaa. For example: if d=3, then: 123.4 --> 123, 1.567 --> 1.57, -45.81 --> -45.8 I know how... 20 May 2010 10:33

Contour Plot
Hello, I keep getting an error message saying the following while I'm trying to create a contour plot: ??? Error using ==> griddata at 53 X and Y must both be vectors or both be matrices. Error in ==> ContourData at 129 Z = griddata(x,y,z,X,Y,'cubic'); However X and Y are both matrices, they were created ... 20 May 2010 06:12

Which toolbox best to simulate a ship's vibration?
which toolbox best to simulate a ship's vibration? Simulink? Any example? Considering the effect of wind and wave. Kind thanks. ... 19 May 2010 23:46

to check presence of image in a folder
Hello, Is there any way to check if a particular image (tif) is present in a folder. I know the directory of the folder and I know the image name. Thank you, Matt ... 19 May 2010 23:46

Attempted to access time; index out of bounds
I've seen other people ask similar questions, but still don't understand why this isn't working. The specific error is: Attempted to access times(1); index out of bounds because numel(times)=0. It occurs in a utility file from Plexon called plx2trials. **Below is the full code:** function data = plx2tri... 23 May 2010 16:50

Ant colony algorithm (ACO)
Hi, I need matlab code of ACO for my project. Can you please send me. I also want to know does it handle constraints. Thanks in advance. Jurimaya_Surd <umerisb(a)hotmail.com> wrote in message <ef02976.1(a)webx.raydaftYaTP>... Finally its done .. i programmed it for 'Odyssey of Ulysses 22 node probelem' .. bu... 19 May 2010 22:40

interpolation fft
Looking for algorithm to convert an fft magnitude vs frequency to compare with another fft of different fmax and different number of lines. ... 19 May 2010 22:40

imrect
Hallo there!! I have this code which mark specific rectangles in a graysclae picture function M = imrect(I,ltx,lty,rbx,rby) % IMRECT Draw Rectangles on an Gray-level Image % imrect(I), where I is an Gray-level image matrix % ltx(i), lty(i): left top (x,y) % rbx(i), rby(i):... 21 May 2010 05:08

NON UNIFORM FAST FOURIER TRANSFORM
JUST Wondering whether any one is working on Non uniform fast Fourier transform ... 20 May 2010 22:40