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Diffstat (limited to 'numpy/polynomial/laguerre.py')
| -rw-r--r-- | numpy/polynomial/laguerre.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/numpy/polynomial/laguerre.py b/numpy/polynomial/laguerre.py index 41d15142a..e103dde92 100644 --- a/numpy/polynomial/laguerre.py +++ b/numpy/polynomial/laguerre.py @@ -1475,7 +1475,8 @@ def lagroots(c): if len(c) == 2: return np.array([1 + c[0]/c[1]]) - m = lagcompanion(c) + # rotated companion matrix reduces error + m = lagcompanion(c)[::-1,::-1] r = la.eigvals(m) r.sort() return r |