#範例12-3:高斯喬丹消去法最後化簡的梯形矩陣 #指令:M.rref() from sympy import * M = Matrix([ [1,3,-2,0,2,0,0], [2,6,-5,-2,4,-3,-1], [0,0,5,10,0,15,5], [2,6,0,8,4,18,6] ]) M_simple = M.rref() print('簡化的梯形矩陣的echelon form =\n', M_simple)