x=var('x')
lamb=var('lamb')
W=det(matrix([[exp(lamb*x),x*exp(lamb*x)],[lamb*exp(lamb*x),lamb*x*exp(lamb*x)+exp(lamb*x)]]))        
W.simplify_rational()

SageDays/Kreyszig-2.7-6 (last edited 2010-08-12 08:23:23 by namdev more)