x = var('x')
y = function('y',x)
deq1 = diff(y,x,3)-3*diff(y,x,1)+2==0
soln = desolve_laplace(deq1 ,[y,x])
soln

Kreyszig-2.14-8-U (last edited 2010-12-18 07:48:55 by shankar)