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authorcanuel <cattaneo.manuel@hotmail.com>2022-08-26 16:59:18 +0200
committercanuel <cattaneo.manuel@hotmail.com>2022-08-26 16:59:18 +0200
commitf07871bd3ce9cfc41ecfc29b66c07d4377b8f9a7 (patch)
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parentsubsection about recursion equations spherical harmonics + associated Legendr... (diff)
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added the chapter about spherical harmonic expansion and corrected some errors
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diff --git a/buch/papers/kugel/preliminaries.tex b/buch/papers/kugel/preliminaries.tex
index e48abe4..1fa78d7 100644
--- a/buch/papers/kugel/preliminaries.tex
+++ b/buch/papers/kugel/preliminaries.tex
@@ -1,6 +1,6 @@
% vim:ts=2 sw=2 et spell tw=78:
-\section{Preliminaries}
+\section{Preliminaries}\label{kugel:sec:preliminaries}
The purpose of this section is to dust off some concepts that will become
important later on. This will enable us to be able to get a richer and more
@@ -318,11 +318,12 @@ convergence.
\end{definition}
\begin{theorem}[Fourier Theorem]
- \[
+ \label{fourier-theorem-1D}
+ \begin{equation*}
\lim_{N \to \infty} \left \|
f(x) - \sum_{n = -N}^N \hat{f}(n) E_n(x)
\right \|_2 = 0
- \]
+ \end{equation*}
\end{theorem}
\begin{lemma}