Book
Linear Algebra
Author
Gilbert Strang
Edition
A = matrix([[ 1,2,3],[ 0,4,0],[0,0,5]]) print A print "Is symmetric?", A.is_symmetric() print "Is skew_symmetric?", A.is_skew_symmetric() print A.transpose()==A.inverse() if(A.transpose()==A.inverse()): print this is orthogonal else: print "this is not orthogonal"
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