From 9646e2dcec01e75985e3ecad43e1739245a19def Mon Sep 17 00:00:00 2001 From: siveshs Date: Fri, 2 Jul 2010 20:17:28 +0000 Subject: section 2 editing --- Fourier Series.page | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Fourier Series.page') diff --git a/Fourier Series.page b/Fourier Series.page index 391a82a..b16663f 100644 --- a/Fourier Series.page +++ b/Fourier Series.page @@ -73,7 +73,7 @@ As a final test to see if the Fourier series really could exist for any periodic If it is possible to approximate the above function using a sum of sines and cosines, then it can be argued that *any* continuous periodic function can be expressed in a similar way. This is because any function could be expressed as a number of peaks at every position. It turns out that the above function can be approximated as the sum of two cosines, namely, $\cos^{2n}(x) + cos^{2n+1}(x)$ -![alt text](/cos10x.gif) ![alt text](/cos11x.gif) +
![alt text](/cos10x.gif) ![alt text](/cos11x.gif)
##What is the Fourier series actually? -- cgit v1.2.3