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LA+Chapter7+Ex+7+solved+by+이승열(2)
2423 days ago by math2013
A=matrix(QQ,5,3,[1,2,6,10,2,7,9,8,7,9,8,3,1,2,5]) print A.rank() print A.right_nullity() A.rank()+A.right_nullity()==3#number of column is 3
3 0 True
3 0 True