netang Posted April 12, 2015 Share Posted April 12, 2015 It finite difference method is unstable? Link to comment Share on other sites More sharing options...
studiot Posted April 12, 2015 Share Posted April 12, 2015 (edited) Have you studied Banach's contraction mapping theorem? http://en.wikipedia.org/wiki/Banach_fixed-point_theorem Edited April 12, 2015 by studiot Link to comment Share on other sites More sharing options...
Bignose Posted April 12, 2015 Share Posted April 12, 2015 It finite difference method is unstable? This does not have a simple yes or no answer. The details of how you calculate the finite difference matter. Link to comment Share on other sites More sharing options...
netang Posted April 12, 2015 Author Share Posted April 12, 2015 I have tau >= (h^2)/2 it's right? Link to comment Share on other sites More sharing options...
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