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MathGroup Archive 2005

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Bug in MiniMaxApproximation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60609] Bug in MiniMaxApproximation
  • From: dh <dh at metrohm.ch>
  • Date: Thu, 22 Sep 2005 02:08:05 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hello,
it seems to me that MiniMaxApproximation fails each time the given 
function is zero at the beginning of the specified interval
Consider an example from the Help:

MiniMaxApproximation[Exp[x],{x, {0, 2}, 2, 4}]

this works fine. However, if you change the function to 1-Exp[..]:

MiniMaxApproximation[1 - Exp[x], {x, {0, 2}, 2, 4}]

you get an 1/0 error.

sincerely, Daniel


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