Math Forum / Math Software / Scilab / September 2006

I'm a very beginner of Scilab. I'm developing a C++ application using
Borland C++ Builder 2006 and I need to call some Scilab functions in my
program. Firstly, the program used a Matlab function than translated
with MatcomV3 to C++ code. Here it is:

I have a problem with recursive functions. Here is my code,
function [ReadLine] = InputLine(Line, ImageWidth)
   RLine = x_dialog('Which Line should be calculated?','0')
   ReadLine = evstr(RLine)

Is there a way to load an image file, such as a .gif or .bmp into a
SciLab matrix?  Searching around I found the "SIP Toolbox" on
sourceforge -- is this the right image processing library to use for
this sort of thing?

Matplot() can nicely display indexed color images. It would be
extremely useful if it could display RGB images as well (represented as
a HxWx3 matrix). Shouldn't this be fairly easy to implement? :-)
I've been working around this using an rgb2ind function (borrowed from

Hi! I am a novice scilab user.
I've got a question regarding surf function and the value of hidden
color: from a simulation software I've a square matrix whose values are
the z-value of a 3D surface. This matrix define a quarter of the

Hello scilab group !
how can i extend the scilab console buffer size ? (I'm using
scilab-gtk...)
(i wan't to debug a scicos diagram, but unfortunately the shell-buffer

Hello scilab group !
are there any further informations/documents on scicos internally
implicit (c-)blocks ? (I already bought the book "modeling an
simulation in scilab/scicos" but unfortunately it doesn't contain

I'm new in scilab programming but the help and documentations does not
solve my problem.
I would like to have a variable index for index to read out a
headerfile. Unfortunatly, the header is at the end so that different

I'm doing some work with filtering, I ran into the following problem:
I made what appears to be a perfectly good transfer function -- it's one
over a polynomial in %s, with the leading coefficient not equal to one.
  I can take the roots of the denominator, use 'horner' to get ...

I have installed scilab on my PC (Linux Mandriva). Could you tell me
how to configure the TCL/TK interface in order to make the 'home' 'end'
'suppr' etc. keys working ?
Thanks for your help...

While translating some matlab code to scilab I came across some
differences in the interpretation of the code. The following line of
matlab code gives different results in Scilab compared to Matlab:
Cv5_pT = R * (tau ^ 2 * -(gamma0_tautau + gammar_tautau) - (1 + Pi *

Recently, i have written some programs under Scilab/Scicos envirnment
to model and simulate adaptive optics, especieally adaptive optics.
You can find it at: https://sourceforge.net/projects/sciao/
If you can give some advice, i would be very appreciative.

hello group,
I have a little question for you (I hope someone can help me to clear up
this nuisance...):
I have to draw a set of n surfaces which change their positions and

I use the polyfit function and a text "Rank defficient . rank = " is
always shown after the use of this function.
Do you know if there is a method to not display this text ???
Thanks a lot

When trying out plotting in 2d using a simple y = x²+4x+3 equation, the
graph turns out to be quite rough. Using Maple, it's a smooth graph, but
with SciLab there are clear lines between the points. How can I get a
smooth graph?