pvmpv¶

erfa.pvmpv(a, b)[source]¶

Subtract one pv-vector from another.

Parameters:

adouble array
bdouble array

Returns:

ambdouble array

Notes

Wraps ERFA function eraPvmpv. The ERFA documentation is:

- - - - - - - - -
 e r a P v m p v
- - - - - - - - -

Subtract one pv-vector from another.

Given:
   a       double[2][3]      first pv-vector
   b       double[2][3]      second pv-vector

Returned:
   amb     double[2][3]      a - b

Note:
   It is permissible to re-use the same array for any of the
   arguments.

Called:
   eraPmp       p-vector minus p-vector

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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pvmpv¶