Books
Linear Algebra
Introduction to Linear Algebra - Gilbert Strang [PDF]
Probability
A First Course in Probability - Ross [PDF]
Statistics
Applied Statistics and Probability for Engineers - Montgomery [PDF]
Machine Learning
Deep Learning
Deep Learning - Ian Goodfellow [PDF]
Image Processing
Digital Image Processing - Gonzalez [PDF]
Computer Vision
Computer Vision: Algorithms and Applications - Richard Szeliski [PDF]