what is AcceptanceFcn in simulannealbnd

what is AcceptanceFcn in simulannealbnd solver?

What is the difference with TolFun?

Answer 1

[Shashank Prasanna]

The explanation of AcceptanceFcn's role here:

http://www.mathworks.com/help/gads/how-simulated-annealing-works.html#bq3a9do-1

This is different from TolFun which is used as one of the stopping criterion for the optimization. Also look at point 5 in the above link.