Calculating power¶

power.SHPowerL(c, l)¶

Calculates the power contained in a particular spherical harmonic degree

Parameters:	c (numpy array) – array of SH coefficients of shape `(2, lmax+1, lmax+1)`, where `lmax` is the maximum degree for which coefficients are stored in the array l (int) – the degree for which to calculate power
Returns:	power in degree l

power.SHPowerSpectrum(c)¶

Calculates the power for all degrees represented in a CILM array

Parameters:	c (numpy array) – array of SH coefficients of shape `(2, lmax+1, lmax+1)`, where `lmax` is the maximum degree for which coefficients are stored in the array
Returns:	1D numpy array of length `lmax`

power.SHDegreeVariance(c)¶

Calculate the degree variance for all degrees represented in a CILM array

Parameters:	c (numpy array) – array of SH coefficients of shape `(2, lmax+1, lmax+1)`, where `lmax` is the maximum degree for which coefficients are stored in the array
Returns:	1D numpy array of length `lmax`

power.SHPowerSpectrumDensity(c)¶

Calculate the degree normalized density for all degrees represented in a CILM array

Parameters:	c (numpy array) – array of SH coefficients of shape `(2, lmax+1, lmax+1)`, where `lmax` is the maximum degree for which coefficients are stored in the array
Returns:	1D numpy array of length `lmax`