Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Glossary of mathematical notation.
| Notation | Name | Description |
|---|---|---|
| P( ) | Generative model | A set of probability distributions that make up a generative model |
| Q( ) | Posterior beliefs | An approximation to the probability of a variable given observed data |
| H[ ] | Shannon entropy | Uncertainty (or dispersion) of a probability distribution |
| E[ ] | Expectation | Expected (or average) value of a variable |
| DKL[ || ] | KL-Divergence | Difference between two probability distributions |
