I'm an electrical engineer student, with a big passion for physics. I've started working on Mary L Boas' Mathematical Methods in the Physical Sciences, and I'll have finished the book by the end of the summer (I'm in a coop program so I have a lot of free time in the summer to work on personal projects!). Since my goal is to work through physics books (Taylor's classical mechanics and Griffith's E&M are the first two books I want to study), I wanted to cover all the maths I'll encounter before getting started. I think understanding physics is hard enough as it is, so if I can focus on the physics without getting stuck every 5 seconds with math issues, this will go much smoother. Basically, is there an area of mathematics that I should learn in a different book? It was suggested to me that the Differential Equation section in Boas isn't complete enough. Is there any other section of the book that has the same problem? Thanks in advance!