/usr/lib/open-axiom/input/pollevel.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 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | --Copyright The Numerical Algorithms Group Limited 1996.
-- This file tests variables moving to the correct level within
-- polynomial towers.
)clear all
f(y : UP(x, POLY INT)): UP(x, POLY INT) == x * y
f(x)
)clear all
y := operator 'y
eq1 := D(y x,x,2) - x*y(x)=0
seriesSolve(eq1,y,x=0,[0,a])
eq2 := D(y x,x) - x*cos(y x) - exp(x)
seriesSolve(eq2,y,x=0,y(0) = 0)
)clear all
p : UP(x, POLY INT) := x
u := (z*x)
u * p
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