x=var('x')
k=var('k')
y=function('y',x)
deq1=diff(y,x)-k*y-e^-(k*x)==0
r=desolve(deq1,[y,x],y)
show(r.simplify_full())

Kreyszig-1.6-39-7 (last edited 2010-12-17 06:26:46 by mlec)