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The link below takes you to the list of capsules in the subcategory Application: Least Squares under Linear Algebra within MAA'

The link below takes you to the list of capsules in the subcategory Applications: Dynamical Systems under Linear Algebra w

This resource is a tool for manipulating 2 matrices: any algebraic formula or solving a system of linear equations by matrix techniques.
There are 2 excellent applets. (1) A student can perform row operations on a \(2 \times 3\) matrix and see how the pair of lines change but the intersection point does not.
This applet puts a matrix in reduced row echelon form. A student types in a matrix, and it puts the matrix in RREF. The student does not have to think.

In this applet the user may change the entries in a \(2 \times 2\) matrix and see it's effect on a square.

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