Make a Linear Differential Operator Object from a Vector
A linear differential operator object of order $m$ is constructed from the number in a vector of length $m$.
vec2Lfd(bwtvec, rangeval=c(0,1))
bwtvec |
a vector of coefficients to define the linear differential operator object |
rangeval |
a vector of length 2 specifying the range over which the operator is defined |
a linear differential operator object
# define the harmonic acceleration operator used in the # analysis of the daily temperature data Lcoef <- c(0,(2*pi/365)^2,0) harmaccelLfd <- vec2Lfd(Lcoef, c(0,365)) hmat <- vec2Lfd(matrix(Lcoef, 1), c(0, 365)) all.equal(harmaccelLfd, hmat)
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