Rune <run### [at] inamecom> wrote:
:> Premultiply both sides by the inverse of [A]

: You've lost me. Too tricky for me.

  Just calculate the inverse matrix of A and then multiply A*C (matrix
multiplication, not item-by-item multiplication) and you'll get B.

  Calculating the inverse of a matrix is not a simple operation, though.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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