pe_auth_r

Calculates the authalic radius of a spheroid

Usage syntax

double pe_auth_r

Parameters
a Semimajor axis of the spheroid
e2 Eccentricity squared of the spheroid
Description

This function calculates the authalic radius of a spheroid. A sphere with a given authalic radius has the same area as the spheroid from which the authalic radius was calculated.

Returns

Authalic radius of the spheroid