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elementary matrices
2291 days ago by matrix
A=matrix(4,4,[4,0,1,1,2,4,1,6,2,4,2,4,2,-4,-1,0]) print A.inverse()
[ 1/2 1/4 -1/2 -1/4] [ 5/12 3/8 -2/3 -13/24] [ -2/3 -1 5/3 2/3] [ -1/3 0 1/3 1/3]
[ 1/2 1/4 -1/2 -1/4] [ 5/12 3/8 -2/3 -13/24] [ -2/3 -1 5/3 2/3] [ -1/3 0 1/3 1/3]