Determinants

This post will briefly walk you through the determinants, its properties, Cramer’s rule and some applications of determinants.

Orthogonal matrices and Gram-Schmidt

This post introduces about projection, orthogonal vectors, orthogonal matrices and Gram-Schmidt orthogonalization process.

Four Fundamental subspaces

This post covers linear independence, span, basis, dimension and four subspaces: Row space, Column space, Null space and Left null space.