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Topic: --->What is the problem with 'ParametricPlot'?
Replies: 1   Last Post: Aug 22, 1996 3:31 AM

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Seagull

Posts: 3
Registered: 12/7/04
--->What is the problem with 'ParametricPlot'?
Posted: Aug 21, 1996 2:03 AM
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I input the followings:
x={Sin[t]}^3
y={Cos[t]}^3
ParametricPlot[{x, y}, {t, 0, Pi/2}]

And got the following outputs:
ParametricPlot::ppcom:
Function x cannot be compiled; plotting will proceed with the
uncompiled function.
ParametricPlot::ppcom:
Function y cannot be compiled; plotting will proceed with the
uncompiled function.
ParametricPlot::pptr:
x does not evaluate to a pair of real numbers at t = 0..
ParametricPlot::pptr:
x does not evaluate to a pair of real numbers at t = 0.0654498.
ParametricPlot::pptr:
x does not evaluate to a pair of real numbers at t = 0.1309.
General::stop:
Further output of ParametricPlot::pptr
will be suppressed during this calculation.


Can anyone tell me what is wrong?
Thanks in advance!!

Seagull.








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