| Eigen_cos {EigenR} | R Documentation |
Matrix cosine
Description
Matrix cosine of a real or complex square matrix.
Usage
Eigen_cos(M)
Arguments
M |
a square matrix, real or complex |
Value
The matrix cosine of M.
Examples
library(EigenR)
M <- toeplitz(c(1,2,3))
cosM <- Eigen_cos(M)
sinM <- Eigen_sin(M)
cosM %*% cosM + sinM %*% sinM # identity matrix
[Package EigenR version 1.2.3 Index]