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| -rw-r--r-- | numpy/core/numeric.py | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/numpy/core/numeric.py b/numpy/core/numeric.py index 7f60cd916..28b4d78d5 100644 --- a/numpy/core/numeric.py +++ b/numpy/core/numeric.py @@ -721,8 +721,7 @@ def correlate(a, v, mode='valid'): which is related to ``c_{av}[k]`` by ``c'_{av}[k] = c_{av}[-k]``. - The convolution can often be calcualted much faster using ``scipy.signal.correlate``. - ``numpy.correlate`` performs slowly because it does not use FFT; for large arrays (i.e. n = 1e5) ``scipy.signal.correlate`` might be considered. + `numpy.correlate` may perform slowly in large arrays (i.e. n = 1e5) because it does not use the FFT to compute the convolution; in that case, `scipy.signal.correlate` might be considered. Examples |