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Ch-3.1-exam11-New-김준하
2296 days ago by matrix
두 값을 비교하여 일치함을 보이면 됩니다.
A=matrix(QQ,[[1,2], [-6,7]]) B=matrix(QQ,[[-2,-4], [6,-5]]) print "tr(AB)=" print (A*B).trace() print "tr(BA)=" print (B*A).trace()
tr(AB)= -1 tr(BA)= -1
tr(AB)= -1 tr(BA)= -1