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Re: Mathematica

  • To: mathgroup at
  • Subject: [mg26009] Re: [mg25971] Mathematica
  • From: Tomas Garza <tgarza01 at>
  • Date: Wed, 15 Nov 2000 02:09:55 -0500 (EST)
  • Sender: owner-wri-mathgroup at

I suggest you spend a few weeks reading the introductory sections of The 
Mathematica Book or some other text on Mathematica. You'll find it is a 
worthwhile investment.

f[x_] := 2*x^3 - 3*x^2 - 12*x

Plot[f[x], {x, -2, 2},
  Epilog -> {{Hue[1], PointSize[0.020], Point[{0.5, -6.5}]},
      Line[{{0.5, 0}, {0.5, -6.5}, {0, -6.5}}]}]

Try to use non-capitalized letters when you define a function.

Tomas Garza
Mexico City

"Naresh R Ganta" <nganta82 at> wrote:

> I went to you Mathematica website, and I have a question. Here is my
> problem. If I have F(x)=2x^3-3x^2-12x and I found that the 
inflection point
> to be (.5,-6.5), how can I plot F(x), and show the inflection point on 
> same graph?

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