Learn essential mathematical concepts required for studying signals and systems through this comprehensive video series covering complex numbers, their exponential representation, geometric interpretations, and practical applications to real-world signals, including techniques for projecting points onto ellipses and understanding why the imaginary unit equals the square root of negative one.

Syllabus

How to Project a Point onto an Ellipse
Why Does i = sqrt(-1) in Complex Numbers?
Essential Maths Needed to Study Signals and Systems
Why are Complex Numbers written with Exponentials?
Visualising Complex Numbers with an Example
How do Complex Numbers relate to Real Signals? ("Best explanation EVER!")