Maths Matrices

In mathematics matrices are commonly related to linear algebra and are used in science and engineering. A matrix is an array of m x n: the m (rows) are horizontal and the n (columns) are vertical.

Examples

 1,2
 3,4 

Adjoint

 4,-2
 -3,1 

Cofactor

 4,-3
 -2,1 

Covariance

 2,2
 2,2 

Inverse

 -2,1
 1.5,-0.5  

Transpose

 1,3
 2,4 

RREF

 1,0
 0,1 

Dot Product Matrices

 4,5,7
 2,1,0
 3,9,6 
.
 2,3
 8,9
 1,1 
 = 
 55,64
 12,15
 84,96 

Add Matrices

 2,3
 8,9
 1,1 
+
 2,3
 8,9
 1,1 
 = 
 4,6
 16,18
 2,2 

Subtract Matrices

 2,3
 8,9
 1,1 
-
 2,3
 8,9
 1,1 
 = 
 0,0
 0,0
 0,0