Gauss-Jordan elimination

Reference Topics 16-4

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This is an interactive site discussing matrix operations:
http://www.mathportal.org/calculators/matrices-calculators/matrix-operations-calculator.php

This is an interactive site finding inverse matrices:
http://www.mathportal.org/calculators/matrices-calculators/matrix-calculator.php

This is a nice matrix operation site which also includes Gauss-Jordan elimination:
http://matrix.reshish.com/inverse.php… See the whole entry

Section 16.3: Matrix Solution of a System of Equations

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16.3 Outline

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