extreme value to quadratic function

Imaginary quadratic function field

imitate with quadratic function

multiple quadratic function

multi-quadratic function

non-quadratic function model

Piecewise quadratic function

quadratic function

quadratic function field

quadratic function index

quadratic function regression

The quadratic function

delta function (=δ-function)

function， function key

Analgesia function and anti-inflammation function

calibration function or curve [function]

characteristic function (= eigen-function)

characteristic function [of meromorphic function]

characteristic function and type-function