Description Usage Arguments Value Examples
View source: R/ICS_smoothing.R
cics_unif_explicit
constructs the explicit form of uniform clamped interpolating cubic spline
(via Hermite cubic spline) for nodes uu
, function values yy
and exterior-node derivatives
d
.
1 2 3 4 5 6 7 8 9 10 |
uumin |
a starting node. |
uumax |
an ending node. |
yy |
a vector of function values pertaining to nodes in |
d |
a vector of two values of derivative, in the first and the last node of |
clrs |
a vector (optional parameter) of colours that are used alternately to plot the graph of spline's components. |
xlab |
a title (optional parameter) for the |
ylab |
a title (optional parameter) for the |
title |
a title (optional parameter) for the plot. |
A list of spline components
spline_coeffs |
matrix, whose |
spline_polynomials |
list of UcICS's components string representations. |
B |
S=B.γ. |
gamma |
γ= vector of spline coefficients - function values and exterior-node derivatives that takes part in the explicit form S=B.γ. |
aux_BF |
A basis function of the spline |
aux_tridiag_inverse |
An inverse of the tridiagonal matrix used for spline derivatives construction |
1 2 3 4 5 6 7 | yy <- c(4, 5, 2, 1.8);
sp <- cics_unif_explicit(0, 6, yy, c(2, 0.9))
sp$spline_polynomials
### <~~>
### Spline components' coefficients
explicit_spline(sp$B, sp$gamma)
sp$spline_coeffs == .Last.value
|
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