[Team 3][Chapter 2]문제 [주영은, 서승완, 변희성] -- Sage

A=matrix(3, 3, [1, 3, -1, 2, 5, 1, 1, 1, 1]) b=vector([1,5,3,]) B=A.augment(b, subdivide=True) print B.rref()

[1 0 0|2]
[0 1 0|0]
[0 0 1|1]

[1 0 0|2]
[0 1 0|0]
[0 0 1|1]

[Team 3][Chapter 2]문제 [주영은, 서승완, 변희성]