- doubly periodic
- матем.двоякопериодический
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Doubly-periodic function — In mathematics, a doubly periodic function is a function f defined at all points z in a plane and having two periods , which are linearly independent vectors u and v such that:f(z) = f(z + u) = f(z + v).,The doubly periodic function is thus a two … Wikipedia
Doubly periodic function — In mathematics, a doubly periodic function is a function defined at all points on the complex plane and having two periods , which are complex numbers u and v that are linearly independent as vectors over the field of real numbers. That u and v… … Wikipedia
Periodic — Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel. [1913… … The Collaborative International Dictionary of English
Periodic comet — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… … The Collaborative International Dictionary of English
Periodic function — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… … The Collaborative International Dictionary of English
Periodic law — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… … The Collaborative International Dictionary of English
Periodic star — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… … The Collaborative International Dictionary of English
Periodic time of a heavenly body — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… … The Collaborative International Dictionary of English
Periodic function — Not to be confused with periodic mapping, a mapping whose nth iterate is the identity (see periodic point). In mathematics, a periodic function is a function that repeats its values in regular intervals or periods. The most important examples are … Wikipedia
periodic law — /pear ee od ik, pear /, Chem. 1. the law that the properties of the elements are periodic functions of their atomic numbers. 2. Also called Mendeleev s law. (originally) the statement that the chemical and physical properties of the elements… … Universalium
Singly and doubly even — In mathematics an even integer, that is, a number that is divisible by 2, is called evenly even or doubly even if it is a multiple of 4, and oddly even or singly even if it is not. (The former names are traditional ones, derived from the ancient… … Wikipedia