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earthtide (version 0.0.4)

astro_der: astro_der

Description

Calculate derivatives of astronomical parameters. Code adapted from ETERNA.

Usage

astro_der(t_astro, simon)

Arguments

t_astro

astronomical time

simon

coefficient matrix

Value

derivative astonomical parameters

References

Wenzel, H.-G. (1996): The nanogal software: Earth tide data processing package ETERNA 3.3. Bulletin d'Informations Marees Terrestres vol. 124, 9425-9439, Bruxelles 1996.