Ch-7.2-exam-2-Final-권의회

1872 days ago by matrix

A=matrix(ZZ,3,4,[3,9,0,15,2,6,-3,4,4,12,-4,12]) print "RREF(A)=" print A.rref() print "nullity(A)=",A.right_nullity() 
       
RREF(A)=
[1 3 0 5]
[0 0 1 2]
[0 0 0 0]
nullity(A)= 2
RREF(A)=
[1 3 0 5]
[0 0 1 2]
[0 0 0 0]
nullity(A)= 2