pvup¶

erfa.pvup(dt, pv)[source]¶

Update a pv-vector, discarding the velocity component.

Parameters:

dtdouble array
pvdouble array

Returns:

pdouble array

Notes

Wraps ERFA function eraPvup. The ERFA documentation is:

- - - - - - - -
 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.

This revision:  2021 May 11

Copyright (C) 2013-2023, NumFOCUS Foundation.
Derived, with permission, from the SOFA library.  See notes at end of file.

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pvup¶