inverse matrix by eban

#!ruby -anrmathn
$*<<$F.map{|x|x.to_f}
END{puts Matrix[*$*].t.inv.t.map{|r|(r-r*9e-7).round}.to_a.map{|a|a*' '}}

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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