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Plotting iso-distance curves from matrices

• To: mathgroup at smc.vnet.net
• Subject: [mg70958] Plotting iso-distance curves from matrices
• From: Uwe Ziegenhagen <newsgroup at ziegenhagen.info>
• Date: Fri, 3 Nov 2006 01:39:01 -0500 (EST)
• Organization: Humboldt Universitaet zu Berlin

Hi,

I would like to plot iso-distance curves (in 2 dimensions) satisfying
the following condition:

{ x \in R^2 | (x-x_0)^T A (x-x_0) = d^2}

with x a 2x1 vector, ^T denoting the transposed sign and A a positive
definite matrix. Any way to do it in Mathematica?

Uwe

• Follow-Ups:
  • Re: Plotting iso-distance curves from matrices
    • From: Carl Woll <carlw@wolfram.com>