math.lgamma
The math.lgamma function returns the natural logarithm of the absolute value of the gamma function at the point x.
This function has the following graph:
math.gamma
The math.gamma function returns the value of the gamma function for the point passed as an argument.
The gamma function has, on the real axis, the following graph:
math.erfc
The math.erfc function returns the complement of the value of the error function (also called the complementary error function) for a given x value.
The complementary error function is given by the following expression:
math.tanh
The math.tanh function returns the hyperbolic tangent of the number passed as an argument.
The hyperbolic tangent function has the following graph:
math.sinh
The math.sinh function returns the hyperbolic sine of the number passed as an argument.
The hyperbolic sine function has the following graph:
math.cosh
The math.cosh function returns the hyperbolic cosine of the number passed as an argument.
The hyperbolic cosine function has the following graph:
math.atanh
The math.atanh function returns the hyperbolic arctangent of the number passed as an argument.
The hyperbolic arctangent function has the following graph:
math.asinh
The math.asinh function returns the hyperbolic arcsine of the number passed as an argument.
The hyperbolic arcsine function has the following graph:
math.acosh
The math.acosh function returns the hyperbolic arccosine of the number passed as an argument.
The hyperbolic arccosine function has the following graph:
math.erf
The math.erf function returns the value of the error function (also called the Gauss error function ) for a given x value.
The error function is given by the following expression:
