a=matrix([[2,3,1,0],[4,7,0,1]])    
b=a.echelon_form()
print copy(b).with_rescaled_row(0,1/2)print 'Thus this is of form [IA^-1]'

S.K.Manoj,Student,IIIT Hyderabad

Strang-2.5-4 (last edited 2010-12-18 08:08:44 by s.k.manoj)