From 436d6d61a4c23cb6fb7a609ce80acec113fc0e5c Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Mon, 10 Dec 2012 15:26:34 -0500
Subject: [PATCH] Unsuckify FFT doc notation.
---
pymbolic/algorithm.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/pymbolic/algorithm.py b/pymbolic/algorithm.py
index 95d1b96..891cc05 100644
--- a/pymbolic/algorithm.py
+++ b/pymbolic/algorithm.py
@@ -92,7 +92,7 @@ def find_factors(N):
def fft(x, sign=1, wrap_intermediate=lambda x: x):
"""Computes the Fourier transform of x:
- F[x]_i = \sum_{j=0}^{n-1} z^{ij} x_j
+ F[x]_k = \sum_{j=0}^{n-1} z^{kj} x_j
where z = exp(sign*-2j*pi/n) and n = len(x).
"""
--
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