kernel6 | R Documentation |
This function evaluates a kernel of order 6.
kernel6(x)
x |
A vector of real numbers. |
This function evaluates a kernel of order 6. A kernel L is a kernel of order 6 if it integrates 1, the integrals of u^j L(u) are 0 for 1 <= j < 6 (j integer) and the integral of u^6 L(u) is different from 0.
A vector of the same length as x
where each entry is ( 105/256 ) * ( 1 - x^2 ) * ( 5 - 30 * x^2 + 33 * x^4 )
if abs(x) < 1
and 0 otherwise.
Alejandra Martinez, ale_m_martinez@hotmail.com, Matias Salibian-Barrera
x <- seq(-2,2,length=10)
kernel6(x)
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