kernel4: Order 4 kernel

Description Usage Arguments Details Value Author(s)

Description

A kernel of order 4.

Usage

1

Arguments

x

A real number.

Details

A kernel L is a kernel of order 4 if it integrates 1, the integrals of u^j L(u) are 0 for 1 <= j < 4 (j integer) and the integral of u^4 L(u) is different from 0.

Value

0 if abs(x) > 1 and ( 15/32 ) * ( 1 - x^2 ) * ( 3 - 7 * x^2 ) otherwise.

Author(s)

Alejandra Martinez, Matias Salibian-Barrera


alemermartinez/RMI-GitHub documentation built on May 9, 2019, 2:21 a.m.