# -*- coding: utf-8 -*- """ Created on Tue Feb 16 21:32:52 2016 @author: olepsky """ from numpy import * A=matrix([ [1,0,0], [0,0,1], [0,1,0] ]) print ("A=", A) B=matrix([ [1,2,3], [4,5,6], [7,8,9] ]) print ("B=", B) print ("A+B=\n",A+B) print ("A-B=\n",A+B) print ("A*B=\n",A*B) C = matrix([ [1,0,1,0], [0,1,0,1] ]) D = matrix([ [1,2,3], [4,5,6], [7,8,9], [10,11,12] ]) print ("C=\n", C) print ("D=\n", D) print ("C*D=\n",C*D) E = matrix ([ [1,0,0], [-1,1,0], [2,0,1] ]) F = ([ [4,3,-5], [0,-2,2], [0,0,2] ]) print("\n3:L*U = \n",E*F)