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Ch-7-Prob-4-New-박종우
2244 days ago by matrix
A=matrix(4,5,[[9,4,-2,9,-4],[0,3,4,2,0],[9,-6,-5,-8,-1],[7,4,3,-9,0]]) A.rref() print A.rref() print A.rank() print A.right_nullity()
[ 1 0 0 0 -7/31] [ 0 1 0 0 -2/31] [ 0 0 1 0 4/31] [ 0 0 0 1 -5/31] 4 1
[ 1 0 0 0 -7/31] [ 0 1 0 0 -2/31] [ 0 0 1 0 4/31] [ 0 0 0 1 -5/31] 4 1