a=matrix([[4,3],[2,5]])
d=det(a)
b=matrix([[12],[-8]])
x1=(b[0,0]*a[1,1]-a[0,1]*b[1,0])/d
x2=(a[0,0]*b[1,0]-b[0,0]*a[1,0])/d

Kreyszig-6.6-2 (last edited 2010-12-18 11:02:22 by xxx)