Stability of finite difference method

[netang]

 

It finite difference method is unstable?

[studiot]

Have you studied Banach's contraction mapping theorem?

 

http://en.wikipedia.org/wiki/Banach_fixed-point_theorem

Edited April 12, 2015 by studiot

[Bignose]

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.

[netang]

I have tau >= (h^2)/2 it's right?