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ch.7 ex.4
1674 days ago by g1.kjiwon
A=matrix(2,4,[4,-2,1,2,1,1,1,-1]) print A.right_kernel() print A.right_nullity()
Free module of degree 4 and rank 2 over Integer Ring Echelon basis matrix: [ 1 0 -2 -1] [ 0 1 0 1] 2
Free module of degree 4 and rank 2 over Integer Ring Echelon basis matrix: [ 1 0 -2 -1] [ 0 1 0 1] 2