chapter7+ex4+solved+by+주영은

2040 days ago by math2013

A=matrix(2,5,[[4,-2,1,2,0],[1,1,1,-1,0]]) print A.rref() B=matrix(4,6,[[1,3,-2,0,2,0],[2,6,-5,-2,4,-3],[0,0,5,10,0,15],[2,6,0,8,4,18]]) print B.rref() 
       
[  1   0 1/2   0   0]
[  0   1 1/2  -1   0]
[1 3 0 4 2 0]
[0 0 1 2 0 0]
[0 0 0 0 0 1]
[0 0 0 0 0 0]
[  1   0 1/2   0   0]
[  0   1 1/2  -1   0]
[1 3 0 4 2 0]
[0 0 1 2 0 0]
[0 0 0 0 0 1]
[0 0 0 0 0 0]