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Hi,
I have discovered that curve fitting to at least one user-specified function in a macro has become extremely slow in version 1.46m. It is fine in versions 1.42-1.45. The function I am fitting is:
profFunc="y = a - b/(1 + exp((c-abs(x-d))/e))";
The fit does work, but it is very slow, taking about 30s on a Mac Mini with 2.7 GHz Intel Core i7. It seems like an eternity!
I can use an earlier version, but I wanted to let the developers know.
Thanks,
David
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