pyeeg.utils.find_knee_point

pyeeg.utils.find_knee_point(x, y, tol=0.95, plot=False)

Function to find elbow or knee point (minimum local curvature) in a curve. To do so we look at the angles between adjacent segments formed by triplet of points.

Parameters:

• x (1darray) – x- coordinate of the curve

• y (1darray) – y- coordinate of the curve

• plot (bool (default: False)) – Whether to plot the result

Returns:

The x-value of the point of maximum curvature

Return type:

float

Notes

The function only works well on smooth curves.