/usr/lib/open-axiom/input/lodo2.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 26 27 28 29 30 31 32 33 34 35 36 37 | -- Input generated from LinearOrdinaryDifferentialOperatorTwoXmpPage
)clear all
-- Input generated from ugxLinearOrdinaryDifferentialOperatorTwoConstPage
)clear all
Q := Fraction Integer
PQ := UnivariatePolynomial('x, Q)
x: PQ := 'x
Dx: LODO2(Q, PQ) := D()
a := Dx + 1
b := a + 1/2*Dx**2 - 1/2
p := 4*x**2 + 2/3
a p
(a * b) p = a b p
c := (1/9)*b*(a + b)**2
(a**2 - 3/4*b + c) (p + 1)
-- Input generated from ugxLinearOrdinaryDifferentialOperatorTwoMatrixPage
)clear all
PZ := UnivariatePolynomial(x,Integer)
x:PZ := 'x
Mat := SquareMatrix(3,PZ)
Vect := DPMM(3, PZ, Mat, PZ)
Modo := LODO2(Mat, Vect)
m:Mat := matrix [[x**2,1,0],[1,x**4,0],[0,0,4*x**2]]
p:Vect := directProduct [3*x**2+1,2*x,7*x**3+2*x]
q: Vect := m * p
Dx : Modo := D()
a : Modo := Dx + m
b : Modo := m*Dx + 1
c := a*b
a p
b p
(a + b + c) (p + q)
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