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Matrix Transformations (based on applet by Steve Phelps)

Author:
loomisli

The points of rectangle DEFG as column matrices are transformed by multiplying on the left by the matrix in yellow to form D'E'F'G'.

Directions:

Move points B and C to change the column vectors in the transforming matrix (in yellow). The blue rectangle is the original shape. The brown quadrilateral is the image under the transformation.