fitting.quartic¶

fitting.quartic(x, a, b, c, d, e)¶

Fourth order polynomial.

Parameters:	x (array) – x-values. a (float) – Offset. b (float) – Linear term. c (float) – Quadratic term. d (float) – Cubic term. e (float) – Quartic term.
Returns:	$f(x) = e x^4 + d x^3 + c x^2 + b x + a$ .