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| -rw-r--r-- | Fourier Series.page | 1 |
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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: |