Jacobian Matrix, De Novo Chain Rule Expression, Jacobian-Vector Product, Vector-Jacobian Product

Chain Rule Using Jacobian Matrix Multiplications

Derivatives, Partial Derivatives, Directional Derivatives, and Total Derivatives

The Existence and the Uniqueness of Determinant and Its Relationship with Hyper Volume

Geometry of $n \times n$ Matrices with Complex Eigenvalues

Geometry of $2 \times 2$ Matrices with a Non-Real Complex Eigenvalue

A Matrix Similar to a Diagonal Matrix

Understand Why Matrices are Similar

Fill Up Some Probability Holes