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Diffstat (limited to 'numpy/lib/function_base.py')
| -rw-r--r-- | numpy/lib/function_base.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py index 87ecf717e..3b8ddf099 100644 --- a/numpy/lib/function_base.py +++ b/numpy/lib/function_base.py @@ -2608,6 +2608,8 @@ def kaiser(M,beta): """ from numpy.dual import i0 + if M == 1: + return np.array([1.]) n = arange(0,M) alpha = (M-1)/2.0 return i0(beta * sqrt(1-((n-alpha)/alpha)**2.0))/i0(float(beta)) |