SphericalDistributionsRand
It is the MATLAB codes for generating the random samples from Von-Mises Fisher and Watson distribution.
The code is part of the work in the following papers:
Chen, Yu-Hui, et al. "Parameter estimation in spherical symmetry groups." Signal Processing Letters, IEEE 22.8 (2015): 1152-1155.
Chen, Yu-Hui, et al. "Statistical Estimation and Clustering of Group-invariant Orientation Parameters." International Conference on Information Fusion (2015 in press)
Cite As
Yu-Hui Chen (2021). SphericalDistributionsRand (https://github.com/yuhuichen1015/SphericalDistributionsRand), GitHub. Retrieved .
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Inspired by: Confluent hypergeometric function
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In matlab R2016b running the following code:
randVMF(1, [cos(pi/4), sin(pi/4)], 1)
takes forever to compute