Lectures related to Differential Calculus: Differentials, Linear Approximations, Parametric Functions

Explores derivability, continuity, and composite functions with illustrative examples.

Explains partial derivatives, Hessienne matrix, and their properties.

Explores the derivative of a function, covering rules for deriving sums, products, and quotients.

Covers fundamental topics in calculus of variations, including minimizers and the Euler-Lagrange equation.