System of equations Archives - The Nature of Mathematics

Reference Topics 16-1

June 4, 2017July 22, 2015 by elaine

This site gives a nice review of solving simple systems of equations.
http://www.purplemath.com/modules/systlin1.htm

This site gives a review of solving simple systems of equations by adding with links to solving simple systems using other methods. This is a great site … See the whole entry

Section 16.3: Matrix Solution of a System of Equations

September 26, 2015July 22, 2015 by elaine

16.3 Outline

Definition of a matrix
1. subscripts
2. double subscripts
3. array
4. matrix
5. rows and columns
6. square matrix
7. order/dimension
Matrix form of a system of equations
1. augmented matrix
2. diagonal form
Elementary row operations and pivoting
1. elementary row operations
2. equivalent matrices
3. elementary row

… See the whole entry

Section 16.1: Systems of Linear Equations

September 26, 2015July 22, 2015 by elaine

16.1 Outline

Terminology
1. system of equations
2. simultaneous solution
3. linear system
Graphing method
1. inconsistent system
2. dependent system
Substitution method
1. equivalent systems
2. procedure
Linear combination (addition) method
1. terminology
2. procedure

16.1 Essential Ideas

To solve a system of equations means to find … See the whole entry