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affine transformation

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Noun1.affine transformation - (mathematics) a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis
math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
transformation - (mathematics) a function that changes the position or direction of the axes of a coordinate system


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? Mentioned in ? References in periodicals archive
 
The S-box has a mathematical structure, based on the combination of inversion over a Galois field and an affine transformation.
Report on the Development of the Advanced Encryption Standard (AES) by Roback, Edward / Journal of Research of the National Institute of Standards and Technology
An affine transformation behaves somewhat like a drafting machine that takes in a drawing (or the coordinates of all the points making up the lines in a drawing), then shrinks, enlarges, shifts or skews the picture and, finally, spews out a distorted version of the original.
Packing it in; fractals play an important role in image compression by Peterson, Ivars / Science News
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