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Zeros to function of 2 variables, Matlab.

  1. Nov 9, 2007 #1

    malawi_glenn

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    Hi!

    I was wondering how you can find zeroes to a function of two variables. I use Matlab.

    This is the function:

    Z = 2*A.*(A+B).*(2*A+B)./(B.*B).*(0.25*A.^(-3)+4*(2*A+B).^(-3)+0.25*(A+B).^(-3))-14.44;

    I know that A and B are positive. But I only know of inbuilt functions and algoritms for finding zeros for functions of ONE variable..

    Do you guys know any?
     
  2. jcsd
  3. Nov 10, 2007 #2

    Dr Transport

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    Normally, you need two equations to minimize for two variables for a global solution.
     
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