Difference between revisions of "Euler-Fourier formulas"
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Formulas for the coefficients of a Fourier series.
If is a function of period defined on the real line and if , then the formulas are:
The formal series
are both called the Fourier series of . They have the same partial sums:
for all and all . The coefficient is also denoted by .
Euler-Fourier formulas. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Euler-Fourier_formulas&oldid=12665