different between transformation vs homothecy
transformation
English
Etymology
Borrowed from Middle French, from Ecclesiastical Latin tr?nsf?rm?ti?.Morphologically transform +? -ation
Pronunciation
- (US) IPA(key): /?t?æns.f???me?.??n/
- (UK) IPA(key): /?t?æns.f?(?)?me?.??n/
- Hyphenation: trans?for?ma?tion
- Rhymes: -e???n
Noun
transformation (countable and uncountable, plural transformations)
- The act of transforming or the state of being transformed.
- A marked change in appearance or character, especially one for the better.
- (mathematics) The replacement of the variables in an algebraic expression by their values in terms of another set of variables; a mapping of one space onto another or onto itself; a function that changes the position or direction of the axes of a coordinate system.
- (linguistics) A rule that systematically converts one syntactic form into another; a sentence derived by such a rule.
- (genetics) The alteration of a bacterial cell caused by the transfer of DNA from another, especially if pathogenic.
- (politics, South Africa) Ideologically driven government policy - becoming more conformant with socialist and African nationalist groupthink.
Synonyms
- metamorphosis
- transmogrification
- transmutation
- transfiguration
Derived terms
- transformational
Related terms
- transform
- Lorentz transformation
Translations
French
Etymology
Borrowed from Ecclesiastical Latin tr?nsf?rm?ti?, tr?nsf?rm?ti?nem, from Latin tr?nsf?rm?.
Pronunciation
- IPA(key): /t???s.f??.ma.sj??/
Noun
transformation f (plural transformations)
- transformation
- (rugby) conversion
Derived terms
- transformation de Fourier
Related terms
- transformer (verb)
Further reading
- “transformation” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Swedish
Noun
transformation c
- transformation
transformation From the web:
- what transformation is not a rigid motion
- what transformations are rigid
- what transformation is happening
- what transformations are rigid motions
- what transformations result in congruent figures
- what transformation is visible
- what transformations preserve congruence
- what transformations are isometries
homothecy
English
Noun
homothecy (plural homothecies)
- (geometry) A homothetic transformation.
- 1950, Duke Mathematical Journal, Duke University Press, page 76,
- Let us determine the center and the ratio of this homothecy.
- 1981, Kenneth Joseph Arrow, Michael D. Intriligator, Handbook of Mathematical Economics, North-Holland, page 1720,
- The restriction of B to Sb is a homothecy of scale b.
- 2013, Felipe Cucker, Manifold Mirrors: The Crossing Paths of the Arts and Mathematics, Cambridge University Press, page 161,
- Proposition 7.4 Homothecies preserve circles. That is, for any homothecy h and any circle C, h(C) is a circle as well. […] Were we willing to do the same with homothecies, we would meet an obstruction: the composition of two homothecies is not necessarily a homothecy.
- 1950, Duke Mathematical Journal, Duke University Press, page 76,
Synonyms
- (type of transformation): homogeneous dilation, homothety
Translations
homothecy From the web:
- what does homothety mean
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