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SHPowerDensityL

SHPowerDensityL -

Compute the power spectral density of a real function for a single degree L.

SYNOPSIS

REAL*8 FUNCTION SHPowerDensityL (

C, L )

    REAL*8

    C(2, L+1, L+1)

    INTEGER

    L

DESCRIPTION

SHPowerL will calculate the power spectral density of a function expressed in real spherical harmonics for a single degree L. This is explicitly calculated as:

Sum_{i=1}^2 Sum_{m=0}^L C(i, L+1, m+1)**2 / (2L + 1) .

ARGUMENTS

C

(input) REAL*8, DIMENSION (2, L+1, L+1)

The function expressed in real spherical harmonics.

L

(input) INTEGER

The spherical harmonic degree for which the power spectral density will be calculated.

SEE ALSO

shpowerl(1), shcrosspowerl(1), shcrosspowerdensityl(1), shpowerspectrum(1), shpowerspectrumdensity(1), shcrosspowerspectrum(1), shcrosspowerspectrumdensity(1), shadmitcorr(1)

http://shtools.ipgp.fr/

COPYRIGHT AND LICENSE

Copyright 2012 by Mark Wieczorek <wieczor@ipgp.fr>.

This is free software; you can distribute and modify it under the terms of the revised BSD license.