Measurement operator th null
Corrected the formulas for the measurement operator H in the case theta=0. Replaced Plm(cos(th)) / sin(th) by dPlm(cos(th)) / cos(th)
Suite à un problème de sécurité, git-lfs est désactivé jusqu'à nouvel ordre sur gricad-gitlab.
Corrected the formulas for the measurement operator H in the case theta=0. Replaced Plm(cos(th)) / sin(th) by dPlm(cos(th)) / cos(th)