Matlab

Looking for help with dummy matrix
I'm not sure if it's a dummy matrix that I need, but if not maybe you could suggest something else. I have made a program that will find the ranges of a set of data points. If the the first range is less than or equal to the 2nd, the two data points that make up that range are removed from that set of data. Is there a ... 7 Jul 2010 17:52

Wind barb plots
I'm trying to plot wind data (I have altitude, time, and wind vector (u and v) data) and would like to plot the data as wind barbs (e.g. see http://ww2010.atmos.uiuc.edu/%28Gh%29/guides/maps/sfcobs/wnd.rxml ). I don't think MatLab can do it. Ok, I know it can be done...I just can't figure it out. ... 7 Jul 2010 13:28

Wind barb plots
I'm trying to plot wind data (I have altitude, time, and wind vector (u and v) data) and would like to plot the data as wind barbs (e.g. see http://ww2010.atmos.uiuc.edu/%28Gh%29/guides/maps/sfcobs/wnd.rxml ). I don't think MatLab can do it. Ok, I know it can be done...I just can't figure it out. ... 7 Jul 2010 12:21

minor ticks not showing up on loglog subplot
I have a fairly dense subplot (5x4) with loglog spacing. I have X axis minor ticks enabled on all plots, but they only show up for some of them. It appears as though the plots that have a few decades on the X axis show the minor ticks, whereas the plots that only have one decade do not show the minor ticks. This is irr... 7 Jul 2010 12:21

Programming forrobotic movement using simulink
Hi, I am very curious about robot programming(excuse me if it is not a proper word). Is it possible to write programs for robotic movements using simulink,like obstacle tracker to more advanced apps. If it is,could you suggest me where to start?? Regards, Dave ... 7 Jul 2010 11:14

White Noise Correlation Time
Dear all, I have created a Simulink model with a white noise input, the Matlab help file suggests using 'a correlation time much shorter than the shortest time constant of the system'. Does anyone know what this means? - specifically, how do you find the shortest time constant of a system? Thanks in advance, Pete... 7 Jul 2010 11:14

Making a Nx2 table
I have a code written that combines data from text files into a single text document. The code is as follows: fid=fopen('datafile.txt','w+'); files = dir('*af1*'); for i=1:length(files) eval(['load ' files(i).name ' -ascii']) A(i,1)=textread(files(i).name, '%f'); fprintf(fid,'%s\t %-f\r\n ',files(i)... 7 Jul 2010 18:59

Inserting an index inside a string
Hello. I made a code that import data from multiple files, each one of them indexed by a number, say: 6julch1_1.txt, 6julch1_2.txt, 6julch1_3.txt, etc, and then do some statistical operations with the data. The problem is, I have to make reference to each one of the files in many parts of the code but i don't know ... 7 Jul 2010 14:34

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problem with ':-) VideoSoft FlexArray Control '
Hello all, I run an old code created with Matlab 2006 using Matlab 2008b. It uses an activex name: ' :-) VideoSoft FlexArray Control ' which works fine with Matlab 2006. With Matlab 2008b it collapses due to the missing activex feature mentioned above. Does anyone know how I can install it and make it compat... 8 Jul 2010 08:02