# ch-3.3-exam-12-New-박종우

## 1922 days ago by matrix

A=matrix(4,4, [-4,5,2,5,1,2,0,-5,4,8,3,2,-3,1,7,0]) # coefficient matrix print A.rref()
 [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1] [1 0 0 0] [0 1 0 0] [0 0 1 0] [0 0 0 1]