Math 2.0

concept

Closed ball

Summary

A closed ball in a metric space is the set of all points at distance at most a given radius from a given centre.

What this node needs for W1
  • an inventory row: the row of the inventory that the node accounts for (0 of 1)

The writing levels say how complete the text of a node is. They do not measure its truth.

Sources

  1. Web https://en.wikipedia.org/wiki/Ball_(mathematics), In general metric spaces