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Concatenation: Typically used in computer science, | | is said to represent the value resulting from appending the digits of y to the end of x. 5. D KL ( P ∥ Q ) {\displaystyle {\displaystyle D_{\text{KL}}(P\parallel Q)}} , denotes a statistical distance or measure of how one probability distribution P is different from a second, reference ...
Card(X) is also written #X, ♯X or |X|.) cas – cos + sin function. cdf – cumulative distribution function. c.f. – cumulative frequency. c.c. – complex conjugate. char – characteristic of a ring. Chi – hyperbolic cosine integral function. Ci – cosine integral function. cis – cos + i sin function. (Also written as expi.) Cl ...
A statement such as that predicate P is satisfied by arbitrarily large values, can be expressed in more formal notation by ∀x : ∃y ≥ x : P(y). See also frequently. The statement that quantity f(x) depending on x "can be made" arbitrarily large, corresponds to ∀y : ∃x : f(x) ≥ y. arbitrary A shorthand for the universal quantifier. An ...
unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) : 1670 (with the horizontal bar over the inequality sign, rather than below it) ...
an asymptotically tight bound related to big O notation. sensitivity to the passage of time in mathematical finance; in set theory, a certain ordinal number; Heaviside step function (lowercase) represents: a plane angle in geometry; the angle to the x axis in the xy-plane in spherical or cylindrical coordinates (mathematics)
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
The rationale behind this is that it enables design and usage of special mathematical characters that include all necessary properties to differentiate from other alphanumerics, e.g. in mathematics an italic "𝐴" can have a different meaning from a roman letter "A".
The Unicode Standard encodes almost all standard characters used in mathematics. [1] Unicode Technical Report #25 provides comprehensive information about the character repertoire, their properties, and guidelines for implementation. [1]