应用线性代数简介 - 向量，矩阵和最小二乘法 By Stephen Boyd and Lieven Vandenberghe

Introduction to Applied Linear Algebra – Vectors, Matrices, and Least Squares
应用线性代数简介 - 向量，矩阵和最小二乘法 By Stephen Boyd and Lieven Vandenberghe, Cambridge University Press:
https://web.stanford.edu/~boyd/vmls/