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-rw-r--r-- | Fourier Series.page | 4 |
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diff --git a/Fourier Series.page b/Fourier Series.page index a9a206d..634ecb1 100644 --- a/Fourier Series.page +++ b/Fourier Series.page @@ -79,8 +79,8 @@ Summing these two functions we get the following: <center>![$\cos^{2n}(x) + cos^{2n+1}(x)$](/cos10x-cos11x.gif)</center> #What is the Fourier series actually?</b> -Now, to begin proving that the Fourier series is a true fact let us begin with the following hypthesis: -Let $f \mathbbI \rightarrow \mathbbC$ be a continuous, periodic function where I is some the time interval(period of the function). Then it can be expressed as : +Now, to begin proving that the Fourier series is a true fact let us begin with the following hypothesis: +Let $f \mathbb I \rightarrow \mathbb C$ be a continuous, periodic function where I is some the time interval(period of the function). Then it can be expressed as : $$ \begin{array}{ccl} |