Fourier Analysis · Calculus
Fourier Series
Every periodic function can be written as an infinite sum of sines and cosines. Parseval’s theorem says total energy equals sum of squares of Fourier coefficients.
WHAT STUDENTS WILL LEARN
✓Compute Fourier coefficients using inner products
✓Apply Dirichlet conditions for convergence
✓Interpret as orthogonal decompositions in L²
✓Apply Parseval’s theorem
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