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Description
rsalm convolves the map with a
symmetric beam via

(6) 
, where is the expansion in Legendre
polynomials of a symmetric beam.
The symmetric beam can be input by reading in an ASCII file
containing the profile of , or by providing the
FWHM for
a symmetric Gaussian beam, where

(7) 
and

(8) 
For deconvolution, a simple Tikhonov regularization scheme is always
applied via

(9) 
where is the regularization parameter.
Examples
 Convolution:
 Deconvolution with Tikhonov regularization:
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Description and Examples
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Gauss Legendre Sky Pixelization