homothetic transformation


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homothetic transformation

[¦häm·ə‚thed·ik ‚tranz·fər′mā·shən]
(mathematics)
A transformation that leaves the origin of coordinates fixed and multiplies the distance between any two points by the same fixed constant. Also known as transformation of similitude.
References in periodicals archive ?
Then the set of so-called Hessian foliums are obtained from (1) by homothetic transformations of center (0,0) a ratio - 1/3.
So in general other foliums can be obtained from Figure 1 by homothetic transformations.