Parabolic error¶

class pints.toy.ParabolicError(c=[0, 0])[source]¶

Error measure based on a simple parabola centered around a user specified point.

\[f(x) = \sum (x - c)^2\]

Extends pints.ErrorMeasure.

Parameters:: c (sequence) – The center of the parabola.

__call__(x)[source]¶: Evaluates this error measure for parameters x.

evaluateS1(x)[source]¶: See pints.ErrorMeasure.evaluateS1().

n_parameters()[source]¶: See pints.ErrorMeasure.n_parameters().

optimum()[source]¶: Returns the global optimum for this function.