Coshc function: Difference between revisions

Revision as of 11:36, 10 July 2019

Revision as of 03:23, 29 January 2020

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*<math> \left| \frac {\cosh(x+iy)}{x+iy} \right| </math>

;First-order derivative

*<math> \frac {1- \coshsinh(z))^2}{z} - \frac {\cosh(z)}{z^2} </math>

;Real part of derivative

*<math> -\operatorname{Re} \left( -\frac {1- (\cosh(x+iy))^2}{x+iy} +\frac{\cosh(x+iy)}{(x+iy)^2} \right)