ang.minus {ClusTorus}R Documentation

Angular subtraction

Description

ang.minus computes element-wise angular subtraction defined as

x - y := Arg(exp(i(x-y)))

Usage

ang.minus(x, y)

Arguments

x, y

angular data(scalar or vector) whose elements are in [0, 2π)

Value

returns a scalar or a vector whose elements are in [-π, π).

References

S. Jung, K. Park, and B. Kim (2021), "Clustering on the torus by conformal prediction"

Examples

x <- c(pi/2, 0)
y <- c(pi, pi/3)

ang.minus(x, y)

[Package ClusTorus version 0.1.3 Index]