problemas de la semana

212 days ago by juanhumberto@tecpabellon

#1 M = MatrixSpace(QQ,3,4) A = M([[1,1,1,110],[0,1,-1,19/18],[1,-1,0,6/5]]) print "A" print A 
        
A
[    1     1     1   110]
[    0     1    -1 19/18]
[    1    -1     0   6/5]
A
[    1     1     1   110]
[    0     1    -1 19/18]
[    1    -1     0   6/5]
A.echelon_form () 
        
[        1         0         0 10211/270]
[        0         1         0  9887/270]
[        0         0         1  4801/135]
[        1         0         0 10211/270]
[        0         1         0  9887/270]
[        0         0         1  4801/135]
(37.81851852+36.61851852+35.56296296) 
        
110.000000000000
110.000000000000