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MathGroup Archive 2006

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Bug or feature ?

  • To: mathgroup at
  • Subject: [mg72368] Bug or feature ?
  • From: Giovanni Resta <g.restaxxx at>
  • Date: Tue, 26 Dec 2006 08:47:23 -0500 (EST)
  • Organization: CINECA

Please, try this with Mathematica (5.2):

<< Graphics`Graphics`

PolarPlot[Sin[t]^2 Cos[t]^2, {t, 0, 2Pi}]

PolarPlot[Sin[t]^2 Cos[t]^2, {t, 0, 21}]

compare the two graphics.

In the second (t is between zero and twentyone)
I got a spurios segment between 3rd and 4th quadrants.

Can you tell me why ?

(Btw, I got this just playing for one minute or two
with PolarPlot. The "21" was a typo...)


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