matrix minor


Summary

First minor

  • submatrix formed by deleting the ith row and jth column

conventionally it refers to the determinant of this submatrix, for #ma1522 it refers to the submatrix

Principal minor

  • minors where i=j

Leading principal minor

  • submatricies starting from the top left corner
  • and n by n matrix has n leading principal minors

Application

Computing first minor

Leading principal submatricies