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phy-4600/notes/fourier

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2016-02-28 22:15:29 +00:00
general series
f(x) ~ ∑ cₙ φₙ(x)
ⁿ⁼⁰
cₙ = ❬͟f͟,φ͟ₙ͟❭͟ᵥ where v is some modulo weighting
‖φₙ‖ᵥ²