diff options
Diffstat (limited to 'numpy/lib/polynomial.py')
| -rw-r--r-- | numpy/lib/polynomial.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py index 0e691f56e..0de39877a 100644 --- a/numpy/lib/polynomial.py +++ b/numpy/lib/polynomial.py @@ -396,7 +396,12 @@ def polyfit(x, y, deg, rcond=None, full=False, w=None, cov=False): Fit a polynomial ``p(x) = p[0] * x**deg + ... + p[deg]`` of degree `deg` to points `(x, y)`. Returns a vector of coefficients `p` that minimises - the squared error. + the squared error in the order `deg`, `deg-1`, ... `0`. + + The `Polynomial.fit <numpy.polynomial.polynomial.Polynomial.fit>` class + method is recommended for new code as it is more stable numerically. See + the documentation for the method for more information, or the convenience + function `polynomial.polyfit <numpy.polynomial.polynomial.polyfit>`. Parameters ---------- |