Advanced Engineering Electromagnetics
Constantine A. Balanis
Filtering and System Identification: A Least Squares Approach
Michel Verhaegen & Vincent Verdult
Proof and the Art of Mathematics: Examples and Extensions
Joel David Hamkins
Entropy and Diversity: The Axiomatic Approach
Tom Leinster
Matrix Calculus (for Machine Learning and Beyond)
Alan Edelman, Steven G. Johnson