Description Usage Format Details Examples
Eigenvalues, eigenfunctions (with derivatives) of a Sobolev kernel on the domain D = [0,1] with smoothness parameter σ = 8.
1 | data("SobolevKernel")
|
A set of variables associated to the Sobolev kernel
eigenval
vector. J
-dimensional vector of the first J
eigenvalues of the kernel.
eigenvect
matrix. m
\times J
matrix of the
evaluation of the J
eigenfunctions on the time domain seq(0, 1, length = m)
, where m = 50
.
derivatives
matrix. (m-1)
\times J
matrix of the
punctual evaluation of the derivatives of the J
eigenfunctions.
The parameter J
is selected such that:
∑_{j=1}^J θ_j ≥q \textrm{thres} ∑_{j=1}^∞ θ_j.
with thres
in this case equal to 0.99.
1 |
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