Clever Geek Handbook
📜 ⬆️ ⬇️

Theta

Letters with a similar style: Ѳ · ѳ · Ө · ө · Ɵ · ɵ · ፀ

Θ , θ (name: theta , Greek. Θήτα, other Greek. Θῆτα ) - the 8th letter of the Greek alphabet . In the Greek alphabetical system of numbers, it has a numerical value of 9. It comes from the Phoenician letter tet - tet . From the letter theta came the cyrillic letter Ѳ (fita) . The modern Greek name is phyta [ˈθi.ta] . In ancient Greek, it sounded like an aspirated [ t ʰ ], then moved to [ θ ].

Theta Greek letter
Θθϴϑ
Images

Greek letter theta on font lines.svg

Greek theta symbol on font lines.svg

◄ΔΕΖΗΘΙΚΛΜ►
◄δεζηθικλμ►
◄ϰϱϲϳϴϵ϶Ϸϸ►
◄ύώϏϐϑϒϓϔϕ►
Specifications
TitleΘ : greek capital letter theta
θ : greek small letter theta
ϴ : greek small letter theta
ϑ : greek theta symbol
UnicodeΘ : U + 0398
θ : U + 03B8
ϴ : U + 03F4
ϑ : U + 03D1
HTML codeΘ : Θ or Θ
θ : θ or θ
ϴ : ϴ or ϴ
ϑ : ϑ or ϑ
Utf-16Θ : 0x398
θ : 0x3B8
ϴ : 0x3F4
ϑ : 0x3D1
UrlΘ :% CE% 98
θ :% CE% B8
ϴ :% CF% B4
ϑ :% CF% 91
MnemonicsΘ : Θ
θ θ
ϑ : ϑ

Cyrillic Fita

In the pre-revolutionary spelling of the Russian language, borrowed from the Greek word with a theta was transmitted through phyta (for example, the Greek Greek Θῆβαι as “ Ѳiva ”, ὀρθογραφία as “orography”, Θεσσαλία as “ ѲESSALIA ”).

Application

  • In the worldwide phonetic transcription ( International Phonetic Alphabet ), the Greek letter theta represents a muffled dental crevice consonant . In the past, the sign þ was used for this purpose.
  • The symbol is used to denote the temperature in physics, in particular the Debye characteristic temperature .
  • This letter denotes the zenith angle in a spherical coordinate system .
  • In electromechanics, this letter denotes the load angle of a synchronous electric motor.
  • In sopromat, this letter denotes the angles of rotation of the beam bending under load.
  • One of the EEG rhythms in medicine is the theta rhythm .
  • A capital letter denotes an expansion parameter in internal ballistics .
  • In Scientology, the Greek word for theta (and the letter Θ) is used as a symbol for designating thought as “energy”.
  • In theory, complexity analysis of algorithms denotes the time complexity of an algorithm.
  • In linear algebra is one of the notation of the zero matrix [1] .
  • In O-notation, denotes a function asymptotically equivalent to a given one.
  • In mathematics, there is a Theta function .
  • In colloid chemistry, the surface area of ​​the adsorbent occupied by surfactant molecules is indicated.

Notes

  1. ↑ How to find the rank of a matrix? Detailed examples of solutions (neopr.) . www.mathprofi.ru. Date of treatment March 10, 2016.

Links


Source - https://ru.wikipedia.org/w/index.php?title=Theta&oldid=101359150


More articles:

  • Щ-309
  • Climbing Cats
  • Shinkansen Electric Train Series E1
  • Foamglass
  • Leviticon (theater)
  • Omega (Cyrillic)
  • Isetta
  • Lithuanian Tariba
  • Turin Cathedral
  • Johnson, Kenny

All articles

Clever Geek | 2019