||'''Book'''|| Linear Algebra || ||'''Author'''|| Gilbert Strang || ||'''Edition'''|| || /* code_begins */ {{{ A=matrix([[1,2,3],[2,5,3],[5,6,7]]) print A A.add_multiple_of_row(1,0,1) print A A.add_multiple_of_row(0,1,-1) print A A.rescale_row(0,-1) print A }}} /* code_ends */ * '''Solution by''': * , , * , , *,,