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Complex Hyperbolic Functions

Function: gsl_complex gsl_complex_sinh (gsl_complex z)
This function returns the complex hyperbolic sine of the complex number z, @math{\sinh(z) = (\exp(z) - \exp(-z))/2}.

Function: gsl_complex gsl_complex_cosh (gsl_complex z)
This function returns the complex hyperbolic cosine of the complex number z, @math{\cosh(z) = (\exp(z) + \exp(-z))/2}.

Function: gsl_complex gsl_complex_tanh (gsl_complex z)
This function returns the complex hyperbolic tangent of the complex number z, @math{\tanh(z) = \sinh(z)/\cosh(z)}.

Function: gsl_complex gsl_complex_sech (gsl_complex z)
This function returns the complex hyperbolic secant of the complex number z, @math{\sech(z) = 1/\cosh(z)}.

Function: gsl_complex gsl_complex_csch (gsl_complex z)
This function returns the complex hyperbolic cosecant of the complex number z, @math{\csch(z) = 1/\sinh(z)}.

Function: gsl_complex gsl_complex_coth (gsl_complex z)
This function returns the complex hyperbolic cotangent of the complex number z, @math{\coth(z) = 1/\tanh(z)}.


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