SchurC function

Schur complement

Calculates the efficient information $I_{bb}-I_{ba}I_{aa}^{-1}I_{ab}$.

SchurC(Ibb, Iaa, Iba)

Arguments

• Ibb: Information of target parameter
• Iaa: Information of nuisance parameter
• Iba: Cross information between target and nuisance parameters

Returns

Numeric matrix.