ch7.7_noh

386 days ago by kyunganoh

A=matrix(QQ, 4, 4, [1,2,1,2,2,3,2,3,3,4,3,4,4,5,4,5]) A.echelon_form() #rref 
       
[1 0 1 0]
[0 1 0 1]
[0 0 0 0]
[0 0 0 0]
[1 0 1 0]
[0 1 0 1]
[0 0 0 0]
[0 0 0 0]
A=matrix(QQ, 4, 4, [1,2,1,2,2,3,2,3,3,4,3,4,4,5,4,5]) A.echelon_form() print A.rank() #rank print A.right_nullity() #nullity 
       
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