A=matrix([[0.5,-0.5],[1.5,-2.5]])
Ain = A.inverse()
y1, y2 = var('y1,y2')
y = matrix([[y1],[y2]])
Ain*y

SageDays/Kreyszig-6.3-26 (last edited 2010-08-12 21:32:38 by bhanukiran)