trxp¶

erfa.trxp(r, p)[source]¶

Multiply a p-vector by the transpose of an r-matrix.

Parameters:

rdouble array
pdouble array

Returns:

trpdouble array

Notes

Wraps ERFA function eraTrxp. The ERFA documentation is:

- - - - - - - -
 e r a T r x p
- - - - - - - -

Multiply a p-vector by the transpose of an r-matrix.

Given:
   r        double[3][3]   r-matrix
   p        double[3]      p-vector

Returned:
   trp      double[3]      r^T * p

Note:
   It is permissible for p and trp to be the same array.

Called:
   eraTr        transpose r-matrix
   eraRxp       product of r-matrix and 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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trxp¶