Vectorisation and the logsumexp trick

@misc{tan2013-06-09,
  title        = {Vectorisation and the logsumexp trick},
  author       = {Tan, Shawn},
  howpublished = {\url{https://blog.wtf.sg/2013/06/09/vectorisation-and-the-logsumexp-trick/}},
  year         = {2013}
}