Math 2.0

concept

Direct sum of subspaces

Summary

A vector space is the direct sum of a family of subspaces when each vector is a sum of vectors from the subspaces. This sum must be unique.

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/Direct_sum_of_modules, Internal direct sum