Changed the tanh derivative from g/cosh(x)**2 to g*(1-tanh(x)**2) #319

Merged

dougalm merged 1 commit intoHIPS:masterfrom

RmStorm:tanhDerFix

Oct 21, 2017

Commits on Oct 20, 2017

Changed the tanh derivative from g/cosh(x)**2 to g*(1-tanh(x)**2) this way ans can be reused as in g*(1-ans**2). But mainly I get overflow warnings because of the use of cosh. This new quicker deri…
RmStorm
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