Ch-8-Prob-16-New-권의회

1852 days ago by matrix

A=matrix(QQ,3,2,[1,1,0,2,3,7]) B=A.transpose()*A print B^-1*A.transpose() print A.rank() 
       
[   4/7 -11/14    1/7]
[ -3/14   5/14   1/14]
2
[   4/7 -11/14    1/7]
[ -3/14   5/14   1/14]
2