Robbins constant

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

In geometry, the Robbins' constant, named after David P. Robbins, is the average distance between two points selected at random within a unit cube. Robbins' constant can be expressed as [1]

Its numerical value is approximately [2]

References[edit]

  1. ^ Robbins, David P.; Bolis, Theodore S. (1978), "Average distance between two points in a box (solution to elementary problem E2629)", American Mathematical Monthly, 85 (4): 277–278, doi:10.2307/2321177.
  2. ^ Plouffe, Simon, "The Robbins constant", Miscellaneous Mathematical Constants, archived from the original on 2003-05-19