||'''Book'''|| Linear Algebra || ||'''Author'''|| Gilbert Strang || ||'''Edition'''|| || /* code_begins */ {{{ A=matrix([[5,3,2,1,6][4,5,6,7,2],[3,2,1,4,1]]) B=matrix([[5,3,2],[1,6,4],[5,6,7],[2,3,2],[1,4,1]]) C=matrix([[5],[4],[6],[7],[8]]) D=matrix([[4],[6],[8]]) print A*B print B*A //multiplication is possible print AB*D //multiplication is possible print D*BA //multiplication is not possible print A(B+c) //multiplication is not possible //the no of rows of first row is equal to no of coloumns in second row then only the multiplication is possible }}} /* code_ends */ * '''Solution by''': *, , * , *, , *, ,