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(Answer) (Category) Sather FAQ : (Category) Bugs, workarounds and planned features : (Category) Known bugs : (Answer) Matrix inversion broken in 1.2b
The function "destructive_invert" in Library/Math/mat.sa seems to be broken. This causes matrix inversions to be silently wrong. I have a replacement "destructive_invert" if anyone wants it.
 

d.j.wilkinson@freeuk.com
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