Fundamentals of Signals and systems

Undergraduate students see the theory of signals and systems as a difficult subject. The reason may be that signals and systems is typically one of the first courses
an engineering student encounters that has substantial mathematical content. So
what is the required mathematical background that a student should have in order
to learn from this book? Well, a good background in calculus and trigonometry definitely helps. Also, the student should know about complex numbers and complex
functions. Finally, some linear algebra is used in the development of state-space
representations of systems. The student is encouraged to review these topics carefully before reading this book.





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