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\documentclass{article}
\usepackage{axiom}
\begin{document}
\title{\$SPAD/src/input LODO.input}
\author{The Axiom Team}
\maketitle
\begin{abstract}
\end{abstract}
\eject
\tableofcontents
\eject
<<*>>=
-- Input generated from LinearOrdinaryDifferentialOperatorXmpPage
)clear all
-- Input generated from ugxLinearOrdinaryDifferentialOperatorSeriesPage
)clear all
Dx: LODO(EXPR INT, f +-> D(f, x))
Dx := D()
Dop:= Dx**3 + G/x**2*Dx + H/x**3 - 1
n == 3
phi == reduce(+,[subscript(s,[i])*exp(x)/x**i for i in 0..n])
phi1 == Dop(phi) / exp x
phi2 == phi1 *x**(n+3)
phi3 == retract(phi2)@(POLY INT)
pans == phi3 ::UP(x,POLY INT)
pans1 == [coefficient(pans, (n+3-i) :: NNI) for i in 2..n+1]
leq == solve(pans1,[subscript(s,[i]) for i in 1..n])
leq
n==4
leq
n==7
leq
@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}
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