# Matt's trick / central formulation of beta distribution?

**URL:** <https://discourse.pymc.io/t/matts-trick-central-formulation-of-beta-distribution/1728>\
**Category:** Questions\
**Created:** [August 14, 2018, 5:53pm UTC](https://discourse.pymc.io/t/matts-trick-central-formulation-of-beta-distribution/1728 "2018-08-14T17:53:57Z")\
**Posts on this page:** 1\
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**Author:** ![junpenglao](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/junpenglao/32/8_2.png) [@junpenglao](https://discourse.pymc.io/u/junpenglao)\
**Post date:** [August 14, 2018, 6:34pm UTC](https://discourse.pymc.io/t/matts-trick-central-formulation-of-beta-distribution/1728/2 "2018-08-14T18:34:22Z")

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You can have a look at the recent paper [Implicit Reparameterization Gradients](https://arxiv.org/pdf/1805.08498.pdf), many of the tricks should also apply. Also see [https://en.wikipedia.org/wiki/Beta\_distribution#Related\_distributions](https://en.wikipedia.org/wiki/Beta_distribution#Related_distributions)

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