R/dct.R
In MangoTheCat/visualTest: Perform Fuzzy Image Matching
Defines functions
dct
dct <- function(x) {
size <- length(x)
fact <- (seq_along(x) - 1/2) * pi / size
vapply(seq_along(x) - 1, FUN.VALUE = 1, function(i) {
sum(x * cos(i * fact)) * sqrt(2 / size)
})
}
MangoTheCat/visualTest documentation built on May 7, 2019, 2:24 p.m.
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Defines functions dct
dct <- function(x) {
size <- length(x)
fact <- (seq_along(x) - 1/2) * pi / size
vapply(seq_along(x) - 1, FUN.VALUE = 1, function(i) {
sum(x * cos(i * fact)) * sqrt(2 / size)
})
}
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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