LA+Chapter7+Ex+7(new)-서승완

2276 days ago by math2013

A=matrix(3, 6, [1,5,7,5,2,11,2,-2,1,-5,3,-7,7,6,3,1,4,3]) B=A.rref() print B C=matrix(5,4,[3,-1,2,-3,2,0,-1,2,7,-4,5,4,2,9,0,-1,0,-1,10,1]) D=C.rref() print print D 
        
[       1        0        0 -176/175    19/25 -264/175]
[       0        1        0  248/175   -12/25  372/175]
[       0        0        1  -27/175    13/25   47/175]

[1 0 0 0]
[0 1 0 0]
[0 0 1 0]
[0 0 0 1]
[0 0 0 0]
[       1        0        0 -176/175    19/25 -264/175]
[       0        1        0  248/175   -12/25  372/175]
[       0        0        1  -27/175    13/25   47/175]

[1 0 0 0]
[0 1 0 0]
[0 0 1 0]
[0 0 0 1]
[0 0 0 0]