이반석

2046 days ago by math2013

A=matrix(6,5,[3,2,0,3,2,4,4,1,0,-2,1,-2,3,5,3,3,-5,0,-6,5,1,0,1,0,4,0,1,0,0,7]) B=A.transpose() print B.rref() print A.rank() print B.rank() 
       
[       1        0        0        0        0  264/703]
[       0        1        0        0        0 -337/703]
[       0        0        1        0        0 -354/703]
[       0        0        0        1        0 -163/703]
[       0        0        0        0        1 1399/703]
5
5
[       1        0        0        0        0  264/703]
[       0        1        0        0        0 -337/703]
[       0        0        1        0        0 -354/703]
[       0        0        0        1        0 -163/703]
[       0        0        0        0        1 1399/703]
5
5