Dashboard
Featured nodes
Roots
Public root
Templates
Test template
iCorps template
Guanyu's Latex template
Ivar's latex template
Family Tree template
Latex template
Router template
Orphans
Browse orphan nodes
Related nodes
Parents
1
Basic terminology and notation
Siblings
11
Sort by title
Sort by date
Definition of matrix
Notation for entry of matrix
Definition of size of a matrix
Definition of m by n matrix
Notation for the set of m by n matrices
Definition of square matrix
Definition of the (main) diagonal of a matrix
Definition of diagonal matrix
Definition of identity matrix
Definition of 0 matrix
Definition of equality of matrices
Knowen
Graph of nodes
New tree
New public tree
Not logged in
Sign in
Sign up
Help
Welcome to Knowen!
Edit test node (no login required)
Create new test node (no login required)
Now you are in the subtree of
Math
public knowledge tree.
History & Comments
Date
User name
Title of change
Votes
20 May 2026, 06:07 (UTC+00:00)
NLU
Fill content
0
11 December 2017, 10:55 (UTC+00:00)
NLU
Import node
0
×
Quick navigation
Nodes loading ...