section 3 editing

1 files changed, 1 insertions, 1 deletions

diff --git a/Fourier Series.page b/Fourier Series.page
index 2261d83..4b9ea43 100644
--- a/Fourier Series.page
+++ b/Fourier Series.page
@@ -143,7 +143,7 @@ In any vector space, the inner product of a vector and its basis vector gives th
 The above vector $\vec v$ can be expressed in terms of the basis vectors $\vec e1$ and $\vec e2$ as follows:
 $$
 \begin{array}{ccl}
-\vec v & = & a_1 \, \vec e1 + a_2 \, \vec e2\\
+\vec v & = & a_1 \, \vec e_1 + a_2 \, \vec e_2\\
 & = &    a_1 \,   \left(  \begin{array}{c}1\\0\end{array} \right)  + a_2 \,  \left(  \begin{array}{c}0\\1\end{array} \right)\\
 & = &  \left(  \begin{array}{c}a_1\\a_2\end{array} \right) \\
 \end{array}