##  [Coupling (Probability)](/coupling-probability) 

  ##  [Coupling (Probability)](https://natural.quantumdictionary.io/coupling-probability-0) 

  

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**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A coupling of two probability measures μ and ν on measurable spaces is a joint probability measure π on the product space whose marginals are μ and ν. More generally, a coupling of a family of measures is any joint law with prescribed marginals.