Topic: Lagrange Multipliers

Dependent Constraints and Nonunique Multipliers

Setting Up Systems with Two Constraints

Product Extrema on a Sphere

Deriving the Multiple-Constraint Gradient-Span Rule

Products Under a Fixed-Sum Constraint

Linear Optimization on an Ellipse

Quadratic Extrema on a Circle

Comparing Candidates on Compact Constraint Sets

The Multiplier as a Marginal Value

Solving One-Constraint Systems by Substitution