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Xi

From Simple English Wikipedia, the free encyclopedia
(Redirected fromXi (letter))
Greek alphabet
ΑαAlpha ΝνNu
ΒβBeta ΞξXi
ΓγGamma ΟοOmicron
ΔδDelta ΠπPi
ΕεEpsilon ΡρRho
ΖζZeta ΣσςSigma
ΗηEta ΤτTau
ΘθTheta ΥυUpsilon
ΙιIota ΦφPhi
ΚκKappa ΧχChi
ΛλLambda ΨψPsi
ΜμMu ΩωOmega
History
Use in other languages
Related topics

Xi (uppercase/lowercaseΞ ξ) is the 14th letter of theGreek alphabet. It is used to represent the "x" sound inAncient andModern Greek. In the system ofGreek numerals, it has a value of 60. The Roman letterX and Cyrillic letterѮ came from Xi.

Inmathematics, both uppercase Ξ and lowercase ξ are used to refer to variants ofRiemann Xi function (itself a variant ofRiemann zeta function).[1] Inphysics, the uppercase Ξ is used to represent thecascade particle andxi baryon.[2]

References

[change |change source]
  1. ↑"Greek/Hebrew/Latin-based Symbols in Mathematics".Math Vault. 2020-03-20. Retrieved2020-10-06.
  2. ↑"Xi Symbol in Greek Alphabet".www.greeksymbols.net. Retrieved2020-10-06.
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