• computer science, the complexity function of a word or string (a finite or infinite sequence of symbols from some alphabet) is the function that counts the...
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  • Thumbnail for Kolmogorov complexity
    theory (a subfield of computer science and mathematics), the Kolmogorov complexity of an object, such as a piece of text, is the length of a shortest computer...
    60 KB (7,894 words) - 05:27, 7 July 2025
  • Thumbnail for Complexity class
    There are, however, many complexity classes defined in terms of other types of problems (e.g. counting problems and function problems) and using other...
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  • input, the complexity is typically expressed as a function n → f(n), where n is the size of the input and f(n) is either the worst-case complexity (the maximum...
    21 KB (3,016 words) - 11:35, 31 March 2025
  • immediately after the first command. Cyclomatic complexity may also be applied to individual functions, modules, methods, or classes within a program....
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  • Thumbnail for Time complexity
    In both cases, the time complexity is generally expressed as a function of the size of the input.: 226  Since this function is generally difficult to...
    41 KB (4,997 words) - 14:25, 12 July 2025
  • A proper complexity function is a function f mapping natural numbers to natural numbers such that: f is nondecreasing; there exists a k-string Turing...
    977 bytes (105 words) - 00:50, 14 July 2025
  • extended to real valued functions. Given a set A ⊆ R m {\displaystyle A\subseteq \mathbb {R} ^{m}} , the Rademacher complexity of A is defined as follows:: 326 ...
    18 KB (3,519 words) - 19:33, 28 May 2025
  • In complexity theory, a time-constructible function is a function f from natural numbers to natural numbers with the property that f(n) can be constructed...
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  • decrease time complexity (Greenlaw and Hoover 1998: 226), while inductive Turing machines can decrease even the complexity class of a function, language or...
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  • In theoretical computer science and mathematics, computational complexity theory focuses on classifying computational problems according to their resource...
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  • Irreducible complexity (IC) is the argument that certain biological systems with multiple interacting parts would not function if one of the parts were...
    124 KB (14,543 words) - 00:43, 18 July 2025
  • In theoretical computer science, communication complexity studies the amount of communication required to solve a problem when the input to the problem...
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  • time complexity is bounded above by a primitive recursive function of the input size. It is hence not particularly easy to devise a computable function that...
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  • In computational complexity theory, the complexity class FP is the set of function problems that can be solved by a deterministic Turing machine in polynomial...
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  • complexity of a machine learning algorithm represents the number of training-samples that it needs in order to successfully learn a target function....
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  • multiple parameters of the input or output. The complexity of a problem is then measured as a function of those parameters. This allows the classification...
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  • Thumbnail for Circuit complexity
    theoretical computer science, circuit complexity is a branch of computational complexity theory in which Boolean functions are classified according to the size...
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  • Thumbnail for Analysis of algorithms
    computational complexity of algorithms—the amount of time, storage, or other resources needed to execute them. Usually, this involves determining a function that...
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  • as the XOR function. The parity function is notable for its role in theoretical investigation of circuit complexity of Boolean functions. The output...
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  • set of computable functions. In computational complexity theory, the problem of computing the value of a function is known as a function problem, by contrast...
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  • Thumbnail for NP (complexity)
    problems in computer science In computational complexity theory, NP (nondeterministic polynomial time) is a complexity class used to classify decision problems...
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  • In computational complexity theory, the complexity class FL is the set of function problems which can be solved by a deterministic Turing machine in a...
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  • recursive functions with values in {0,1} is known in computational complexity theory as the complexity class R. The μ-recursive functions (or general...
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  • }{=}}{\mathsf {P}}} ⁠ More unsolved problems in computer science In computational complexity theory, the class NC (for "Nick's Class") is the set of decision problems...
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  • complexity of an algorithm or a data structure is the amount of memory space required to solve an instance of the computational problem as a function...
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  • Thumbnail for Computational complexity of mathematical operations
    the computational complexity of various algorithms for common mathematical operations. Here, complexity refers to the time complexity of performing computations...
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  • Descriptive complexity is a branch of computational complexity theory and of finite model theory that characterizes complexity classes by the type of logic...
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  • bounded by a primitive recursive function. The Ackermann function appears in the time complexity of some algorithms, such as vector addition systems and...
    62 KB (7,410 words) - 11:24, 23 June 2025
  • Thumbnail for L (complexity)
    In computational complexity theory, L (also known as LSPACE, LOGSPACE or DLOGSPACE) is the complexity class containing decision problems that can be solved...
    12 KB (1,503 words) - 07:26, 3 July 2025