Matlab

Save as a .avi, .mpg, or other vido
So I have a matrix which represents the position of some masses over time. Each row is a timestep, each column is a mass. I use a loop to display one row (timestep) at a time and I get a little movie of the masses moving up and down (I probably need them to go left and right, but that's a subject for another post). I s... 19 Jun 2010 06:56

Help with coneplot function
Hi folks, i want to plot a 3D vector field. The vectors are stored in an 2D array. also the starting points are stored in an array. I decided to use "coneplot" but the problem is, that i have no clue how to use it... command line: coneplot(X,Y,Z,U,V,W,Cx,Cy,Cz) U,V,W has to be a 3D vector according to the m... 23 Jun 2010 10:36

files in a folder
I am trying to get a list of all the .xls files in a folder by using the dir command (I want to get it so that each file can then be called up separately): FileNames=dir('/Volumes/Drive12/'') FileNames(1).name FileNames(2).name FileNames(3).name .. .. .. However, when I try to just get the .xls files, it ... 19 Jun 2010 00:30

weird issue with complex signum, see below:
EDU>> b = [ (2 + 3i) (2 - 3i) 0 (-2+3i) (-2-3i) (0+3i) (0-3i)]; EDU>> complex_sign = sqrt(b.^2)./b Warning: Divide by zero. complex_sign = 1 1 NaN -1 -1 1 1 % Yeah, I know about the divide by zero, that's OK. what's not is result in column 7... it should be as below: EDU>> sqrt((-... 19 Jun 2010 04:47

GUI button doesn't work - SelectionChangeFcn ?
I am making a GUI, and the first thing the user does is push one of two toggle buttons, which are in a uibuttongroup. When one of the toggle buttons are pushed, the 'SelectionChangeFcn' enables or disables other buttons, and this works properly. If I then push another button, the first part of the callback works prop... 19 Jun 2010 14:33

Javabuilder problem; Can't find nativemcl.dll
Hi, I'm trying to get up and running with the Javabuilder, so I've been trying to run the magicsquare example. Everything works fine until I go to run the final java program. I get the following Exception Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\MATLAB\R2009a\bin\win32\nativemcl.dll: The sp... 18 Jun 2010 21:16

Aligning subplots II.
Hi there, does someone know a solution to this problem you are sure about it REALLY WORKS... I need to create 10 subplots located 2 x 5, but there is too much space in between http://img257.imageshack.us/img257/4871/wrongf.png I tried to adjust the position of subplots. I don't kinda see to what values shall I r... 20 Jun 2010 17:50

4D multiplication
I have A = 6X8X400X8. I need to multiply only 6x8 and use loops(possibly) from 1:400 and 1:8. So my answer should be 48x1x1x8. How do I do this? Every time I try, I end up with only a 48x1 matrix. Please help ... 18 Jun 2010 19:04

3d interpolation
HI all- I have a three-D array 120*100*100, I wish to interpolate the data along the third dimension so that the end result is a matrix 120*100*199. The third dimension is equally spaced. The ouput array would have interpolated values at points between each of the rows and columns and the original data should not be... 25 Jun 2010 13:10

How to adjust only one limit for an axis
Hi, Here's what I'm trying to do. I want to set lower/upper limits for the x-axis of a plot, and I also want to just set the lower limit for the y-axis and make the upper limit for the y-axis on auto. Is there a way to do that? Thanks, ... 18 Jun 2010 20:10