get_valley¶
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sherpa.utils.
get_valley
(y, x, xhi=None)[source] [edit on github]¶ Estimate the position of the minimum of the data.
Parameters: - x (y,) – The data points.
- xhi (None or array_like, optional) – If given then the x array is taken to be the low-edge of each bin.
Returns: ans – The X position of the minimum.
Return type: scalar
See also
Notes
If there are multiple minima with the same value then the location of the first minimim is used.