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`c2teqx(`

`rbpn`, `gst`, `rpom`)

[SOFA] Returns the celestial-to-terrestrial matrix based on the
celestial-to-true matrix

, the Greenwich Apparent
Sidereal Time angle `rbpn`

(in radians) and the polar motion
matrix `gst`

. The first two dimensions of
`rpom`

and `rbpn`

must be equal to 3. The
remaining dimensions of `rpom`

and `rbpn`

must
be equal to the dimensions of `rpom`

. The result has the
same dimensions as `gst`

.
`rbpn`

See also: Astronomical Coordinate Calculations