Coarse-Graining

Natural & Formal Sciences Dictionary
A systematic reduction that maps a fine-scale description to a larger-scale description by averaging, blockings, or integrating out microscopic degrees of freedom to produce effective variables and dynamics valid at the chosen scale.

Coarse-Graining

- Natural & Formal Sciences -
Mathematics & Logic Dictionary
A systematic procedure that maps a high-resolution or microscale model to a lower-resolution effective model by averaging, filtering, or eliminating fine-scale degrees of freedom while attempting to retain relevant macroscopic behavior.