Book
Linear Algebra
Author
Gilbert Strang
Edition
A=matrix(QQ, ([1,2,0,2],[-1,-2,1,1],[1,2,-3,-7])) print A print b=vector([1,0,-2]) c=A.augment(b.transpose()) print print c.echelon_form()
[1 2 0 2 1]
[0 0 1 3 1] [0 0 0 0 0]:
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