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chapter7+ex4+solved+by+주영은
2419 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]