automatic_names('True')
y=function('y',x)
d=diff(y,x,3)-diff(y,x,2)+100*diff(y,x,1)-100*y
desolve_laplace(d,[y,x])  

sol:1/101*(y(0) - D[0, 0](y)(0))*cos(10*x) + 1/101*(100*y(0) + D[0,
0](y)(0))*e^x - 1/1010*(100*y(0) - 101*D[0](y)(0) + D[0,
0](y)(0))*sin(10*x)

Kreyszig-2.14_34 (last edited 2010-12-18 10:57:32 by santosh)