get_valley
- sherpa.utils.get_valley(y, x, xhi=None)[source] [edit on github]
Estimate the position of the minimum of the data.
- Parameters:
y (array_like) – The data points.
x (array_like) – 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
Notes
If there are multiple minima with the same value then the location of the first minimim is used.