Derivatives of Multivariable Functions
activecalculus.org › multi › C-10Chapter 10 Derivatives of Multivariable Functions. 10.1 Limits; 10.2 First-Order Partial Derivatives; 10.3 Second-Order Partial Derivatives; 10.4 Linearization: Tangent Planes and Differentials; 10.5 The Chain Rule; 10.6 Directional Derivatives and the Gradient; 10.7 Optimization; 10.8 Constrained Optimization: Lagrange Multipliers