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[Axiom-mail] negative integer exponents in polynomials
From: |
Perrin Meyer |
Subject: |
[Axiom-mail] negative integer exponents in polynomials |
Date: |
Sat, 9 Aug 2008 18:53:07 -0700 (PDT) |
Hi,
I'm new to axiom, which so far seems great.
How do I get axiom to display polynomials with negative integer exponents, like
--> a + b * z^-1 + c * z^-2
(DSP style). See below for a transcript.
(I am using axiom on my Intel macbook 10.5 (I got sbcl and texmacs from
macports, and I compiled frimacs using sbcl. I made a soft link between
/usr/local/bin/axiom and AXIOMsys, to get texmacs to work)
Thanks,
Perrin Meyer
→ f := a*z^2 + b*z + c
→
a z2 + b z + c
(1)
Type: Polynomial Integer
→ f / z^2
→
a z2 + b z + c
z2
(2)
Type: Fraction Polynomial Integer
→ % :: UP(z,?)
→
a
z2 z 2 +b
z2 z +c
z2
(3)
Type: UnivariatePolynomial(z,Fraction Polynomial Integer)
→
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