Psi (letter)
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Psi (letter) |
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| pronunciation | |||||||||||||||||||||||
| antique | [ ps ] | ||||||||||||||||||||||
| modern | [ ps ] | ||||||||||||||||||||||
| Equivalents | |||||||||||||||||||||||
| Latin | - | ||||||||||||||||||||||
| Cyrillic | - | ||||||||||||||||||||||
| Hebrew | - | ||||||||||||||||||||||
| Arabic | - | ||||||||||||||||||||||
| Phoenician | - | ||||||||||||||||||||||
| transcription | |||||||||||||||||||||||
| From the ancient world | ps | ||||||||||||||||||||||
| From the modern | ps | ||||||||||||||||||||||
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The Psi ( Greek neuter Ψι , Majuskel Ψ, minuscule ψ) is the 23rd letter of the Greek alphabet and has after the Milesian principle the numerical value of the 700th
use
mathematics
In mathematics , Ψ denotes
- a special switching function , see psi operator
and ψ
- the Dedekind psi function
- the digamma function (also Gaussian psi function )
- the second Chebyshev function
- the Generalized Logarithm
Physics and chemistry
- In physics and electrical engineering , Ψ is the symbol of the electrical flow or the flow linkage / linkage flow
- In quantum mechanics , ψ denotes a wave function
- In chemistry and physics , ψ is the symbol for the volume ratio as a content quantity
- In particle physics ψ is the name of a group of mesons whose lowest state is called J / heißt
technology
- In building physics , ψ stands for the length-related heat transfer / thermal bridge loss coefficient; Unit W / (m K)
- In hydrology , Ψ is the symbol for the runoff coefficient
- In structural engineering , ψ denotes the combination coefficients
- In tribology , ψ is the symbol for the relative bearing clearance
biology
- In bioinformatics , ψ denotes the torsion angle between N - Cα - C '- N in the protein backbone , see also Ramachandran plot
- In genetics , Ψ stands for a pseudogene
- In the molecular biology Ψ symbolizing in tRNA occurring Base Pseudouridine used
- In plant physiology , Ψ or ψ denote the water potential
Others
- Ψ is a symbol for psychology and parapsychology
- In theological contexts , ψ is a symbol for psalm
Character encoding
| Uppercase Ψ | Minuscule ψ | |
|---|---|---|
| Unicode codepoint | U + 03A8 | U + 03C8 |
| Unicode name | GREEK CAPITAL LETTER PSI | GREEK SMALL LETTER PSI |
| HTML | & # 936; | & # 968; |
| HTML entity | ? | ? |
Web links
Wiktionary: Psi - explanations of meanings, word origins, synonyms, translations