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Diffstat (limited to 'numpy/lib/polynomial.py')
| -rw-r--r-- | numpy/lib/polynomial.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py index de9376300..2f677438b 100644 --- a/numpy/lib/polynomial.py +++ b/numpy/lib/polynomial.py @@ -427,7 +427,8 @@ def polyfit(x, y, deg, rcond=None, full=False, w=None, cov=False): default) just the coefficients are returned, when True diagnostic information from the singular value decomposition is also returned. w : array_like, shape (M,), optional - weights to apply to the y-coordinates of the sample points. + Weights to apply to the y-coordinates of the sample points. For + gaussian uncertainties, use 1/sigma (not 1/sigma**2). cov : bool, optional Return the estimate and the covariance matrix of the estimate If full is True, then cov is not returned. |