Difference between revisions of "Rank-nullity theorem"

From Conservapedia
Jump to navigation Jump to search
(This sometimes called the fundamental theorem of linear algebra.)
 
(rewritten using kernel and image)
Line 2: Line 2:
  
 
:(rank of ''A'') + (nullity of ''A'') = ''m''
 
:(rank of ''A'') + (nullity of ''A'') = ''m''
 +
 +
Using the concept of [[dimension]], the above formula can be rewritten as:
 +
 +
:dim([[kernel]] ''A'') + dim([[image]] ''A'') = ''m''
  
 
This sometimes called the fundamental theorem of linear algebra.
 
This sometimes called the fundamental theorem of linear algebra.
  
 
[[Category:linear algebra]]
 
[[Category:linear algebra]]

Revision as of 05:12, May 9, 2010

The rank-nullity theorem states that for any n x m matrix A:

(rank of A) + (nullity of A) = m

Using the concept of dimension, the above formula can be rewritten as:

dim(kernel A) + dim(image A) = m

This sometimes called the fundamental theorem of linear algebra.