sigma Antonyms
No Synonyms and anytonyms found
Meaning of sigma
sigma (n)
the 18th letter of the Greek alphabet
sigma (n.)
The Greek letter /, /, or / (English S, or s). It originally had the form of the English C.
sigma Sentence Examples
- In statistics, the Greek letter sigma (σ) represents the standard deviation of a distribution.
- The sigma σ-algebra in measure theory is the smallest sigma-algebra containing all open subsets of a given topological space.
- In quantum mechanics, the sigma matrices are a set of three Hermitian matrices that form the basis for spin operators.
- The sigma bond in chemistry is a type of chemical bond formed by the overlap of two atomic orbitals that are directly aligned.
- In genetics, the sigma factor is a protein that binds to RNA polymerase and helps it recognize promoters.
- In the context of general relativity, the Einstein-Hilbert action can be expressed in terms of the Ricci scalar R and a cosmological constant Λ using the sigma term.
- In cosmology, the sigma-8 parameter quantifies the amplitude of fluctuations in the distribution of matter in the universe.
- In bioinformatics, the sigma score is a measure of the confidence in an alignment of DNA or protein sequences.
- In finance, the sigma indicator is a measure of price volatility that is used to assess the risk of a particular investment.
- In electrical engineering, the sigma notation is used to represent the sum of a series of terms, typically in the context of Fourier transforms and digital signal processing.
FAQs About the word sigma
the 18th letter of the Greek alphabetThe Greek letter /, /, or / (English S, or s). It originally had the form of the English C.
No synonyms found.
No antonyms found.
In statistics, the Greek letter sigma (σ) represents the standard deviation of a distribution.
The sigma σ-algebra in measure theory is the smallest sigma-algebra containing all open subsets of a given topological space.
In quantum mechanics, the sigma matrices are a set of three Hermitian matrices that form the basis for spin operators.
The sigma bond in chemistry is a type of chemical bond formed by the overlap of two atomic orbitals that are directly aligned.
