pvmpv

erfa.pvmpv(a, b)[source]

Wrapper for ERFA function eraPvmpv.

Parameters

a : double array

b : double array

Returns

amb : double array

Notes

The ERFA documentation is below.

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 e r a P v m p v
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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

Copyright (C) 2013-2019, NumFOCUS Foundation.
Derived, with permission, from the SOFA library.  See notes at end of file.