mike scott wrote:
INVERSEMAT is just the French name of MINVERSE.
Doesn't that give portability problems crossing the English
Channel? :-)
In a stored file, English names are always used, so that's no problem.
Anyway, my comment about lack of an inverse for some matrices still
stands, and there are matrices too, where inversion can be tricky
because of arithmetical issues. Unless the OP posts his data, we'll
never know.
He mailed me directly, saying it really was a matrix that can't be
inverted. So, no problem there, either.
Niklas
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