Solving Ax = 0, Pivot Variables, and Special Solutions

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Taught by OCW
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Lesson Description:

Solving Ax = 0, Pivot Variables, and Special Solutions -- Lecture 7. How to solve some situations of Ax = 0 and use elimination to get a matrix into reduced row echelon form.

Gilbert Strang, 18.06 Linear Algebra, Spring 2005. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed November 16, 2008). License: Creative Commons BY-NC-SA.
More info at: http://ocw.mit.edu/terms

Questions answered by this video:
  • How do you solve Ax = 0?
  • What is a pivot variable?
  • What is echelon form?
  • What is reduced row echelon form?
  • What is rref?
  • Staff Review

    • Currently 4.0/5 Stars.
    An interesting lecture including ways of solving Ax = 0 for several situations, including some very unique and special situations.