Ch8 problem3 new

327 days ago by semele27

T=matrix(ZZ,[[-15,8],[3,-7]]) print T print b1=vector(ZZ,[1,1]); b2=vector(ZZ,[2,1]); Tb1=T*b1; Tb2=T*b2; A=matrix(QQ,[b1,b2,Tb1,Tb2]).transpose() print A print A.echelon_form() 
       
[-15   8]
[  3  -7]

[  1   2  -7 -22]
[  1   1  -4  -1]

[  1   0  -1  20]
[  0   1  -3 -21]
[-15   8]
[  3  -7]

[  1   2  -7 -22]
[  1   1  -4  -1]

[  1   0  -1  20]
[  0   1  -3 -21]