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MathGroup Archive 2001

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RE: How to plot the inverse trig functions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg29733] RE: [mg29724] How to plot the inverse trig functions
  • From: "David Park" <djmp at earthlink.net>
  • Date: Thu, 5 Jul 2001 06:07:59 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Jose,

It would help if you specified the nature of the error messages you
received.

The following works fine for me.

Plot[ArcSin[x], {x, -1, 1}];

But the following produces Plot::plnr error messages because ArcSin[x] is
not a real number over parts of the plotting domain. I am guessing that that
is what your problem is.

Plot[ArcSin[x], {x, -2, 2}];
Plot::plnr: ArcSin[x] is not a machine-size real number at x = -2..

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/


> From: Jose Capco [mailto:jcapco at mathematik.uni-ulm.de]
To: mathgroup at smc.vnet.net
>
> Dear NG,
>
> Whenever I want to plot an inverse trig function using ordinary
> "Plot " I always
> obtain errors. Why is this and how do I avoid this?
>
> Sincerely,
> Jose Capco
>



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