pvup¶
-
erfa.
pvup
(dt, pv)[source]¶ Wrapper for ERFA function
eraPvup
.- Parameters
dt : double array
pv : double array
- Returns
p : double array
Notes
The ERFA documentation is below.
- - - - - - - - e r a P v u p - - - - - - - - Update a pv-vector, discarding the velocity component. Given: dt double time interval pv double[2][3] pv-vector Returned: p double[3] p-vector Notes: 1) "Update" means "refer the position component of the vector to a new date dt time units from the existing date". 2) The time units of dt must match those of the velocity. Copyright (C) 2013-2019, NumFOCUS Foundation. Derived, with permission, from the SOFA library. See notes at end of file.