# -*- coding: utf-8 -*- """ Created on Thu Jan 21 20:02:15 2016 @author: olepsky """ from numpy import * #A = matrix([ # [200,50,100], # [10,5,10], # [0,0,1] # ]) #b=matrix([ # [400], # [30], # [0] # ]) print ("A=\n", A) print ("b=\n", b) A = matrix([ [4,3,-5], [-4,-5,7], [8,6,-8] ]) b=matrix([ [2], [-4], [6] ]) x=linalg.solve(A,b) print ("x=\n", x) print ("error=\n", A*x-b)