From 7dc7c1dd67c50b91fce2f19574169ad28735af4c Mon Sep 17 00:00:00 2001
From: siveshs <siveshs@gmail.com>
Date: Sat, 3 Jul 2010 04:29:05 +0000
Subject: section 3 editing

---
 Fourier Series.page | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Fourier Series.page b/Fourier Series.page
index 2c9ddd9..e603e15 100644
--- a/Fourier Series.page	
+++ b/Fourier Series.page	
@@ -133,6 +133,7 @@ n \neq m \Rightarrow (f_n,f_m) & = & 0\\
 \end{array}
 $$  
   
+which is the condition of orthonormality (the vectors are perpendicular and each has a length of 1 unit).    
   
 ##Determining Coefficients of the Basis vectors
 In any vector space, the inner product of a vector and its basis vector gives the coefficient. For example, consider a 2-dimensional vector as shown below:
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