Book
Linear Algebra
Author
Gilbert Strang
Edition
{{{A=matrix(QQ,([2,1,0],[1,2,1],[1,2,1],[0,0,2])) print A b=vector([0,0,0,5]) c=A.augment(b.transpose()) print print c.echelon_form() c.pivot_rows() }}}
[0, 1, 3]
[0, 1, 3]
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