Differences between machines again

[Damian Harty]

O Learned Denizens,

I have a similar sort of problem but different to last time.

Octave 3.6.2 with optim 1.2.2 loaded. Windows 7 64 Bit.

Nelder Mead Min fitting in a command file. Identical input files, identical 
command files.

Works fine on my machine. Has done for some time. Bails out early on the other 
machine - if I animate the fitting I can see the point where his bails out and 
mine carries on.

Fit tolerances set on the command line that calls it.

Suggestions as to why one machine would reach a different conclusion to another?

Thanks in advance,

Damian
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