When you select the NOINT or NOSCALE option, restrictions are placed on the intercept or scale parameters. Lagrange multiplier, or score, statistics are computed in these cases. These statistics ...

PROC NLP also terminates if the point x (k) is fully constrained by n linearly independent active linear or boundary constraints, and all Lagrange multiplier estimates of active inequality constraints ...

"DynamicEconomic convinced me of the usefulness of the Lagrange method... The book is very dear and ... 1967, (4) Macrodynamics, "Multiplier, Accelerator and Liquidity Preference in the Determination ...