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Topic: Re: --->What is the problem with 'ParametricPlot
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Terry Harter

Posts: 11
Registered: 12/7/04
Re: --->What is the problem with 'ParametricPlot
Posted: Aug 25, 1996 5:56 PM
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>Seagull wrote:
>I input the followings:
>ParametricPlot[{x, y}, {t, 0, Pi/2}]

...{stuff deleted}...
>Can anyone tell me what is wrong?
>Thanks in advance!!

Look at the manual under function definitions. Instead write

x[t_] := (Sin[t])^3
y[t_] := (Cos[t])^3
graphics = ParametricPlot[{x[t], y[t]}, {t, 0, Pi/2}]

Anytime MMA sees the pair "{ ... }", it expects a list.
Also, look up delayed assignments. that is what the
assignment operator" := " is doing in the stmt
"stuff[t_] := other stuff"


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