||'''Book'''|| Linear Algebra || ||'''Author'''|| Gilbert Strang || ||'''Edition'''|| || /* code_begins */ {{{A = matrix([[0.96,-0.28],[0.28,0.96]]) 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" }}} /* code_ends */ * '''Solution by''': * phanindra,student,nmrec