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[Axiom-mail] Unexpected singular point
From
:
Francesco Pedulla'
Subject
:
[Axiom-mail] Unexpected singular point
Date
:
Fri, 28 Aug 2009 09:33:51 +0200
Dear all,
I am a newcomer to Axiom, please pardon me if my question is trivial. Here follows the dialogue with Axiom I do not understand:
(1) -> p:=((x**2+y**2)**2-x*y)
4 2 2 4
(1) y + 2x y - x y + x
Type: Polynomial Integer
(2) -> draw(p=0,x,y,range==[0..0.5,0..0.5])
>> Error detected within library code:
singular pts in region of sketch
I cannot see the singular point in "p". Any help?
Francesco
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Francesco Pedulla'
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