This site is supported by donations to The OEIS Foundation.

# User:Thomas Baruchel

Jump to: navigation, search

Teacher in philosophy and in computer science in France.

Member of the development team of the Sympy library for symbolic mathematics

A continued fraction formula I found for the ${\displaystyle \tanh }$ function (see the link on math.stackexchange.com):

${\displaystyle \tanh z={\textrm {K}}_{n=1}^{\infty }{\frac {1+\left((n-1){\frac {\pi }{4}}z^{-1}\right)^{2}}{(2n-1){\frac {\pi }{4}}z^{-1}}}}$