Math 2.0

concept

Cofactor

Summary

The cofactor in position (i,j)(i, j) of a square matrix is the first minor MijM_{ij} with the sign (−1)i+j(-1)^{i+j}.

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/Minor_(linear_algebra), First minors