/usr/lib/open-axiom/input/lodof.input is in open-axiom-test 1.5.0~svn3056+ds-1.
This file is owned by root:root, with mode 0o644.
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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 26 27 28 29 30 31 32 33 34 35 36 | --Copyright The Numerical Algorithms Group Limited 1991.
--------------------------------- lodof.input -----------------------------
)cl all
)expose LODOF
P := UP(t, AN)
Q := FRAC P
L := LODO1 Q
d := D()$L
t := t::P::Q
-- reducible order 2 operator (1-1)
op := d**2 + t * d + 1
factor op
-- irreducible order 2 operator
op := 2*t**3 * d**2 + 3*t**2 * d - 2
factor op
-- reducible order 3 operator (1-2)
op := 2*t**3 * d**3 - (2*t**4 - 9*t**2) * d**2 - (3*t**3 - 6*t + 2) * d + 2*t
factor op
-- reducible order 3 operator (1-1-1)
op := (t**9 + t**3) * d**3 + 18 * t**8 * d**2 - 90 * t * d - 30 * (11*t**6-3)
factor op
-- irreducible order 3 operator
op := d**3 + 2 * d**2 + 5 / t * d + 7 / t**2
factor op
-- reducible order 6 operator (1-1-1-1-1-1)
--op := t**6*d**6+20*t**5*d**5+122*t**4*d**4+258*t**3*d**3+156*t**2*d**2+8*t*d-8
--factor op
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