rxmc.covariance.offset_term#

rxmc.covariance.offset_term(magnitude=None, parameter=None, mask=None, log=True, support=None) → Term[source]#

A correlated absolute-offset systematic outer(omega, omega).

With magnitude it is a fixed (data-given) rank-one mode; with parameter it is a free nuisance magnitude (c = exp(theta) when log).