funcs Module

skbeam.core.fitting.funcs.fit_quad_to_peak(x, y)

Fits a quadratic to the data points handed in to the from y = b[0](x-b[1])**2 + b[2] and R2 (measure of goodness of fit)

Parameters

xndarray

locations

yndarray

values

Returns

btuple

coefficients of form y = b[0](x-b[1])**2 + b[2]

R2float

R2 value