Arguments
- x
Unit vector or matrix of unit vectors (rows).
- mu
Mean direction.
- kappa
Concentration.
Value
list(pdf, logpdf, log_normalizer).
References
Mardia, K. V. & Jupp, P. E. (2000). Directional Statistics, Sec 9.3.2.
Examples
VmfDens(c(0, 0, 1), c(0, 0, 1), 2)$pdf
#> [1] 0.3242487