Affine Transformations 

Affine Transformations OverviewSeveral of the Fractal Science Kit fractal generator builtin programs make use of affine transformations. Affine transformations are transformations in the form: f(z) = Complex(A*z.X + B*z.Y + E, C*z.X + D*z.Y + F) The numbers A, B, C, D, E, and F are real numbers. The input to the function (z) and the function result are both complex. This is sometimes given in matrix form as: A B E z.X A*z.X
+ B*z.Y + E The builtin macros define an Affine Object and a collection of Affine Functions. While the understanding of affine transformations is not a prerequisite to using the application, it is an interesting and rewarding area of mathematics that can be used to produce beautiful fractals and is highly recommended. The following web sites provide an introduction to affine transformations: Eric W. Weisstein. "Affine Transformation." From MathWorldA Wolfram Web Resource.
From Wikipedia, the free encyclopedia. The following books cover affine transformations in detail: Fractals Everywhere Michael F. Barnsley
Chaos and Fractals Peitgen, Jurgens, Saupe 
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