/usr/lib/open-axiom/input/intdeq.input is in open-axiom-test 1.4.1+svn~2626-2ubuntu2.
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1 2 3 4 5 6 7 8 9 | --Copyright The Numerical Algorithms Group Limited 1994.
)clear all
y := operator y
deq := differentiate(y x, x, 2) + 2*w[0]*differentiate(y x, x) + w[0]**2*y x
sol:= solve(deq = sin (w*x), y, x=0,[0,0])
work:= sol *sin(w*x)
integrate(work,x)
D(%,x)-work
simplify %
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