On 25-Feb-00 steveaux@my-deja.com wrote:
On Fri, 25 Feb 2000 04:30:00 Bernie Gardner wrote:
Have you looked at Octave. It's essentially a gpl'd pacakge which executes most Matlab m files and allows for externally compiled programs to be used.
Thanks, Bernie. I vaguely recall having heard of Octave, but not that much. I'll take a look at that. Octave might do the trick for me as long as it is capable of at least simple plotting. My use for Matlab/Octave involves a bit of number-crunching, but with frequent stops for user checking and input, hence the need to do some simple plotting. So my questions for any Octave users are:
- Can Octave do simple plotting? (Sorry if this sounds vague. Basically, if Octave doesn't support all Matlab plot types, can I still get an x/y plot out of it without severe contraints as to the number of elements in the x- and y- vectors? For example, could I plot x vs y if each ector has 2000 elements?)
It does do basic matlab plotting. Not as advanced as more recent versions of matlab, but the standard commands seem to work more or less as you expect. I'm still working on printing plots. I think you can make eps files and then print those.
- Can Octave save data into mat-files (or at least ASCII type files that Matlab can read)?
It can save matrices, again reasonably consistent with matlab.
- Is there a homepage or online manual I can peruse? If so, where?
http://www.che.wisc.edu/octave/
As for Scilab, I once tried it, but discovered that it differed enough from Matlab that I could not easily use it with the many m- and MEX-files I'd already written.
Thanks again,
Steve
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