astromodels.functions.functions_1D.polynomials module

class astromodels.functions.functions_1D.polynomials.Constant(**kwargs)

Bases: Function1D

description :

Return k

latex : $ k $

parameters :

k :

desc : Constant value initial value : 0

evaluate(x, k)

static info()

class astromodels.functions.functions_1D.polynomials.Cubic(**kwargs)

Bases: Function1D

description :

A cubic function

latex : $ a + b cdot x + c cdot x^2 + d cdot x^3$

parameters :

a :

desc : coefficient initial value : 1

b :

desc : coefficient initial value : 1

c :

desc : coefficient initial value : 1

d :

desc : coefficient initial value : 1

evaluate(x, a, b, c, d)

static info()

class astromodels.functions.functions_1D.polynomials.Line(**kwargs)

Bases: Function1D

description :

A linear function

latex : $ b * x + a $

parameters :

a :

desc : intercept initial value : 0

b :

desc : coeff initial value : 1

evaluate(x, a, b)

static info()

class astromodels.functions.functions_1D.polynomials.Quadratic(**kwargs)

Bases: Function1D

description :

A Quadratic function

latex : $ a + b cdot x + c cdot x^2 $

parameters :

a :

desc : coefficient initial value : 1

b :

desc : coefficient initial value : 1

c :

desc : coefficient initial value : 1

evaluate(x, a, b, c)

static info()

class astromodels.functions.functions_1D.polynomials.Quartic(**kwargs)

Bases: Function1D

description :

A quartic function

latex : $ a + b cdot x + c cdot x^2 + d cdot x^3 + e cdot x^4$

parameters :

a :

desc : coefficient initial value : 1

b :

desc : coefficient initial value : 1

c :

desc : coefficient initial value : 1

d :

desc : coefficient initial value : 1

e :

desc : coefficient initial value : 1

evaluate(x, a, b, c, d, e)

static info()

astromodels.functions.functions_1D.polynomials.get_polynomial(order: int) → Function1D

get a polynomial function of order

Parameters:

order (int) – the order of the polynomical

Returns: