A=matrix([[0.2,-0.1,0],[0,-0.2,0.1],[0.1,0,0.1]])
Ain = A.inverse()
y1, y2,y3 = var('y1,y2,y3')
y = matrix([[y1],[y2],[y3]])
Ain*y

SageDays/Kreyszig-6.3-29 (last edited 2010-08-12 21:38:21 by bhanukiran)