What is rref (reduced row echelon form) and how do you use it to reduce a matrix on a TI graphing calculator?
How do you use the MATH > rref( function on a TI graphing calculator and what does it do?
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This lesson will show you how to use reduced row echelon form on a TI graphing calculator (again, much easier on a calculator than by hand). This is very useful, especially once you get to higher math classes such as Linear Algebra.