Linear Transformations of a Polygon

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This Demonstration shows how matrix transformations affect a given figure in the plane. Use the sliders to change the values of the elements of the matrix, move the vertices of the polygon to change its shape, and add or delete vertices by using ALT-click.
Contributed by: Sergio Hannibal Mejía (Yokohama International School) (March 2011)
Open content licensed under CC BY-NC-SA
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"Linear Transformations of a Polygon"
http://demonstrations.wolfram.com/LinearTransformationsOfAPolygon/
Wolfram Demonstrations Project
Published: March 7 2011