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MathGroup Archive 2007

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simple question about plot/evaluate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg81447] simple question about plot/evaluate
  • From: sean_incali <sean_incali at yahoo.com>
  • Date: Sun, 23 Sep 2007 21:16:07 -0400 (EDT)

This is a simple problem.

So I have no problem plotting the following.(Obviously)

ClearAll["Global`*"]
y == x;
Plot[x, {x, 0, 10}]


Same for this one.

ClearAll["Global`*"]
y = x;
Plot[y, {x, 0, 10}]
Plot[x, {x, 0, 10}]


Now if I wanted to plot...

ClearAll["Global`*"]

y == x[t]

Plot[x[t], {t, 0, 10}]
Plot[Evaluate[x[t], {t, 0, 10}], {t, 0, 10}]


I must be missing something about "evaluate" function. The "help"
isn't too helpful on it.


Any thoughts will be helpful.



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