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Question: implicitplot doesn't recognize the constant Pi

Question:implicitplot doesn't recognize the constant Pi

Angelo Melino 45 Maple 2022
constant implicitplot
June 30 2022
2

I was surprised to learn that implicitplot doesn't recognize the constant Pi.  I attach a simple example to illustrate.

restart

with(plots)

f := x-y-Pi

x-y-Pi

 (1)

implicitplot(f)

Error, (in plots/implicitplot) found 3 variables that the expression depends on ({Pi, x, y}), but expected only 2

  

evalf(Pi)

3.141592654

 (2)

g := x-y-3.14

x-y-3.14

 (3)

implicitplot(g)

  

NULL

Download implicitplot_error.mw
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