zr

erfa.zr()[source]

Initialize an r-matrix to the null matrix.

Returns:
rdouble array

Notes

Wraps ERFA function eraZr. The ERFA documentation is:

- - - - - -
 e r a Z r
- - - - - -

Initialize an r-matrix to the null matrix.

Returned:
   r        double[3][3]    r-matrix

This revision:  2021 May 11

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