An Introduction to Matrices

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Contents: 

# Definitions 

* Matrix 
* Square matrix 
* Diagonal matrix 
* Row matrix 
* Column matrix 
* Matrices of the same kind 
* The tranpose of a matrix 
* 0-matrix 
* An identity matrix I 
* A scalar matrix S 
* The opposite matrix of a matrix 
* A symmetric matrix 
* A skew-symmetric matrix 

# The sum of matrices of the same kind 

* Sum of matrices 
* Sum properties 

# Scalar multiplication 

* Definition 
* Properties 

# Sums in math 
# Multiplication of a row matrix by a column matrix 
# Multiplication of two matrices A.B 
# Properties of multiplication of matrices 

* Associativity 
* Distributivity 
* Theorem 1 
* Theorem 2 
* Theorem 3 
* Theorem 4 
* Theorem 5