Surd - определение. Что такое Surd
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Что (кто) такое Surd - определение

WIKIMEDIA DISAMBIGUATION PAGE
Surds; Surd (disambiguation)
Найдено результатов: 9
surd         
a.
1.
(Math.) Radical, incommensurable.
2.
(Orthoepy.) Aspirate, toneless, unintonated, atonic, unheard, without vocality, pronounced with a simple breathing.
surd         
[s?:d]
¦ noun
1. Mathematics an irrational number.
2. Phonetics a speech sound uttered with the breath and not the voice (e.g. f, k, p).
Origin
C16 (as adjective): from L. surdus 'deaf, mute'; as a mathematical term, translating Gk alogos 'irrational, speechless'.
Surd         
·adj Unheard.
II. Surd ·adj Net having the sense of hearing; deaf.
III. Surd ·noun A surd element of speech. ·see Surd, ·adj, 4.
IV. Surd ·noun A quantity which can not be expressed by rational numbers; thus, A2 is a surd.
V. Surd ·adj Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
VI. Surd ·adj Uttered, as an element of speech, without tone, or proper vocal sound; voiceless; unintonated; nonvocal; atonic; whispered; aspirated; sharp; hard, as f, p, s, ·etc.;
- opposed to sonant. ·see Guide to Pronunciation, //169, 179, 180.
Radication         
  • The three 3rd roots of 1
  • The three 3rd roots of −1,<br /> one of which is a negative real
  • The four 4th roots of −1,<br /> none of which are real
FUNCTION
Surds and Indices; Surds and indices; Radicand; Nth root algorithm; Nth-root algorithm; Properties of radicals; N-th root; Radical root; N-th root algorithm; Nth roots; Fourth root; Fifth root; Sixth root; Surd (mathematics); Radical expression; ؇; Root extraction; Radical signs; Principal root; Radication; 3-root; Twelfth root; Eleventh root; Tenth root; Ninth root; Eighth root; Seventh root; Nth root extraction
·noun The disposition of the roots of a plant.
II. Radication ·noun The process of taking root, or state of being rooted; as, the radication of habits.
Nth root         
  • The three 3rd roots of 1
  • The three 3rd roots of −1,<br /> one of which is a negative real
  • The four 4th roots of −1,<br /> none of which are real
FUNCTION
Surds and Indices; Surds and indices; Radicand; Nth root algorithm; Nth-root algorithm; Properties of radicals; N-th root; Radical root; N-th root algorithm; Nth roots; Fourth root; Fifth root; Sixth root; Surd (mathematics); Radical expression; ؇; Root extraction; Radical signs; Principal root; Radication; 3-root; Twelfth root; Eleventh root; Tenth root; Ninth root; Eighth root; Seventh root; Nth root extraction
In mathematics, an nth root of a number x is a number r which, when raised to the power n, yields x:
Quadratic irrational number         
MATHEMATICAL CONCEPT
Quadratic surd; Quadratic irrationality; Quadratic Irrational Number; Quadratic irrationalities; Quadratic irrational; Quadratic irrational numbers
In mathematics, a quadratic irrational number (also known as a quadratic irrational, a quadratic irrationality or quadratic surd) is an irrational number that is the solution to some quadratic equation with rational coefficients which is irreducible over the rational numbers.Jörn Steuding, Diophantine Analysis, (2005), Chapman & Hall, p.
Surdal      
·adj ·same·as Surd, ·adj, 3.
Surdity      
·noun Deafness.
Natural evil         
  • Job]] Hears of His Misfortunes" (Job 1:1–22)
EVIL FOR WHICH "NO NON-DIVINE AGENT CAN BE HELD MORALLY RESPONSIBLE
Surd Evil; Natural evils
Natural evil is evil for which "no non-divine agent can be held morally responsible for its occurrence" and is chiefly derived from the operation of the laws of nature. Others such as Christian theologians reject this definition and argue that natural evil is the indirect result of original sin just as moral evils are, although moral evil is "caused by human activity" directly.

Википедия

Surd