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Digamma or wau (uppercase: Ϝ, lowercase: ϝ, numeral: ϛ) is an
archaic letter of the Gr**** alphabet. It
originally stood for the
sound /w/ but it has remained...
- In mathematics, the
digamma function is
defined as the
logarithmic derivative of the
gamma function: ψ ( z ) = d d z ln Γ ( z ) = Γ ′ ( z ) Γ ( z )...
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ultimately descended from
digamma and
closely resembles it in form.
After sound changes eliminated /w/ from
spoken Gr****,
digamma was used only as a numeral...
- from the
Phoenician waw. The
letter was adapted, but
split in two, with
Digamma or wau ⟨Ϝ⟩
being adapted to
represent [w], and the
second one
being Upsilon...
-
should not be
confused with the "open O" letter. (Ɔ) Ⅎ, a
turned F or
digamma (
digamma inversum) to be used
instead of the
letter V when
denoting the consonantal...
- The
hypothetical particle was
denoted by the Gr****
letter Ϝ (pronounced
digamma) in the
scientific literature,
owing to the
decay channel in
which the...
-
symbols in mathematics, in
particular for ε/ϵ and π/ϖ. The
archaic letter digamma (Ϝ/ϝ/ϛ) is
sometimes used. The
Bayer designation naming scheme for stars...
-
functional values of the
classic eta
versus epsilon system. The
letter Digamma (Ϝ) for the
sound /w/ was
generally used only in
those local scripts where...
- of its
Phoenician values, but with
different forms: as the Gr****
letter digamma for the
consonant [w], and as the
letter upsilon for the
vowel [u]. Upsilon...
- to
denote the
unrelated letter waw (/w/) in
Pamphylia (the "Pamphylian
digamma") and was also the form of beta (/b/) used in Melos. The
Ionian letter...