lamberthub.utils.stumpff#
This module holds the so-called Stumpff functions. These set of functions usually appear in a plethora of equations within the subject of astrodynamics.
Module Contents#
Functions#
|
Second Stumpff function. |
|
Third Stumpff function. |
- lamberthub.utils.stumpff.c2(psi)#
Second Stumpff function.
For positive arguments:
\[c_2(\psi) = \frac{1 - \cos{\sqrt{\psi}}}{\psi}\]
- lamberthub.utils.stumpff.c3(psi)#
Third Stumpff function.
For positive arguments:
\[c_3(\psi) = \frac{\sqrt{\psi} - \sin{\sqrt{\psi}}}{\sqrt{\psi^3}}\]