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MathGroup Archive 2004

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how can I solve a function Erfc

  • To: mathgroup at
  • Subject: [mg48396] how can I solve a function Erfc
  • From: montgermont.aude at (aude)
  • Date: Fri, 28 May 2004 00:50:23 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


I have to solve this function:

Erfc[L/(4*(Dg*t)^(1/2))]= 0.9

Dg is constant.


I want to plot t as a function of L.



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