- envelope of a family of curves
- обвідна сім'ї кривих
English-Ukrainian technical dictionary. 2015.
English-Ukrainian technical dictionary. 2015.
Family of curves — A family of curves is a set of curves, each of which is given by a function or parametrization in which one or more of the parameters is variable. In general, the parameter(s) influence the shape of the curve in a way that is more complicated… … Wikipedia
Envelope (mathematics) — In mathematics, an envelope of a family of manifolds (especially a family of curves) is a manifold that is tangent to each member of the family at some point.Envelope of a family of curvesThe simplest formal expression for an envelope of curves… … Wikipedia
envelope — [än′və lōp΄, en′′və lōp΄] n. [Fr & OFr enveloppe < OFr envoluper: see ENVELOP] 1. a thing that envelops; wrapper; covering 2. a folded paper container as for a letter, usually with a gummed flap for sealing 3. a) the outer covering of a rigid… … English World dictionary
envelope — /en veuh lohp , ahn /, n. 1. a flat paper container, as for a letter or thin package, usually having a gummed flap or other means of closure. 2. something that envelops; a wrapper, integument, or surrounding cover. 3. Biol. a surrounding or… … Universalium
envelope — noun Date: circa 1714 1. a flat usually paper container (as for a letter) 2. something that envelops ; wrapper < the envelope of air around the earth > 3. a. the outer covering of an aerostat b. the bag containing the gas in a balloon or airship… … New Collegiate Dictionary
envelope — [ ɛnvələʊp, ɒn ] noun 1》 a flat paper container with a sealable flap, used to enclose a letter or document. 2》 a covering or containing structure or layer. 3》 Electronics a curve joining the successive peaks of a modulated wave. 4》 Mathematics a… … English new terms dictionary
envelope — /ˈɛnvəloʊp / (say envuhlohp), /ˈɒn / (say on ) noun 1. a cover for a letter or the like, usually so made that it can be sealed or fastened. 2. that which envelops; a wrapper, integument, or surrounding cover. 3. Botany a surrounding or enclosing… …
Envelope (disambiguation) — An envelope is the paper container used to hold a letter being sent by post.Envelope may also refer to:In science: * Envelope (mathematics), a curve, surface, or higher dimensional object defined as being tangent to a given family of lines or… … Wikipedia
singular solution — ▪ mathematics in mathematics, solution of a differential equation that cannot be obtained from the general solution gotten by the usual method of solving the differential equation. When a differential equation is solved, a general solution… … Universalium
Parallel curve — An ellipse (red), its evolute (blue) and some parallel curves (green). Note how the parallel curves have cusps when they touch the evolute … Wikipedia
Limaçon — In geometry, limaçons (pronounced with a soft c ), also known as limaçons of Pascal, are heart shaped mathematical curves. A limaçon is defined as a roulette formed when a circle rolls around the outside of a circle of equal radius (see the… … Wikipedia