Eigen_cosh | R Documentation |
Matrix hyperbolic cosine of a real or complex square matrix.
Eigen_cosh(M)
M |
a square matrix, real or complex |
The matrix hyperbolic cosine of M
.
library(EigenR) M <- toeplitz(c(1,2,3)) Eigen_cosh(M) (Eigen_exp(M) + Eigen_exp(-M)) / 2 # identical
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