Please note that the recommended version of Scilab is 2023.1.0. This page might be outdated.
See the recommended documentation of this function
plot the pattern of non nul elements of a sparse matrix
a sparse matrix
(optional) a string given the color and/or the marker type of the form "[color][mark]" where color may be a number referring the color you want to use (in the current colormap). If you use the std colormap then color may be one of the following letters :
k for black b for blue r for red g for green c for cyan m for magenta y for yellow t for turquoise G a dark green
mark must be one of the following :
. point + plus x cross * circled plus D filled diamond d diamond ^ upper triangle v down triangle o circle
by default you have "b." (in fact the 2d color) and this is also forced in case of error.
plot the pattern of non nul elements of a sparse matrix : each non nul element is drawn with a marker. For "big" matrix use essentially the point . as marker
[A,description,ref,mtype] = ReadHBSparse(SCI+"/modules/umfpack/demos/arc130.rua"); PlotSparse(A,"y+") xtitle(ref + "." + mtype + " : " + description)
- ReadHBSparse — read a Harwell-Boeing sparse format file
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