Hi all, An approximation to tanh(x) is a continued fraction
x/1+ (x^2)/3+ (4x^2)/5+ (16x^2)/9+ ... See attached. I got it working, but by trial and error needed to scale the domain by 1/pi and add some weird scale to the range. I'm confused about where these numbers come from. Can anyone explain this please? cheers, Andy -- Use the source
tanh-cfrac.pd
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