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词汇 stochastic
释义

Definition of stochastic in English:

stochastic

adjective stəˈkastɪkstəˈkæstɪk
technical
  • Having a random probability distribution or pattern that may be analysed statistically but may not be predicted precisely.

    有可能的,或然的;随机的

    Example sentencesExamples
    • It was heavy duty mathematics at that, involving an obscure technique known as stochastic differential equations.
    • He has written on stochastic geometry and its applications, and the statistical theory of shape.
    • The fact that the problem is stochastic means that the airline needs to work with expected values and probability distributions, which makes the optimisation harder to solve.
    • Let us now sum up his mathematical contributions which were almost all in the area of mathematical statistics, more precisely stochastic analysis, random processes, regenerative phenomena and mathematical genetics.
    • Here, we provide a more detailed set of examples, examining the impact of nonlinear population dynamics and stochastic variation in demographic parameters on elasticity analysis.
    Synonyms
    unsystematic, arbitrary, unmethodical, haphazard, unarranged, unplanned, undirected, casual, indiscriminate, non-specific, stray, erratic

Derivatives

  • stochastically

  • adverb
    technical
    • To summarize the asymptotic behavior of the stochastically fluctuating allele frequencies, we first iterated the recursions for 500,000 generations starting with random initial allele frequencies and global linkage equilibrium.
      Example sentencesExamples
      • The protein and DNA state dynamics are treated stochastically and on an equal footing.
      • The length of the stop phase may change from reversal to reversal in the same cell, suggesting that the transitions from rotation to stop and from stop to reverse rotation occur stochastically.
      • We will outline a simple Fourier space Brownian dynamics algorithm that allows us to stochastically evolve a thermal membrane surface forward in time.
      • Each generation new values of these integers are chosen stochastically in accordance with the model.

Origin

Mid 17th century: from Greek stokhastikos, from stokhazesthai 'aim at, guess', from stokhos 'aim'.

Definition of stochastic in US English:

stochastic

adjectivestəˈkæstɪkstəˈkastik
technical
  • Randomly determined; having a random probability distribution or pattern that may be analyzed statistically but may not be predicted precisely.

    有可能的,或然的;随机的

    Example sentencesExamples
    • It was heavy duty mathematics at that, involving an obscure technique known as stochastic differential equations.
    • The fact that the problem is stochastic means that the airline needs to work with expected values and probability distributions, which makes the optimisation harder to solve.
    • Let us now sum up his mathematical contributions which were almost all in the area of mathematical statistics, more precisely stochastic analysis, random processes, regenerative phenomena and mathematical genetics.
    • Here, we provide a more detailed set of examples, examining the impact of nonlinear population dynamics and stochastic variation in demographic parameters on elasticity analysis.
    • He has written on stochastic geometry and its applications, and the statistical theory of shape.
    Synonyms
    unsystematic, arbitrary, unmethodical, haphazard, unarranged, unplanned, undirected, casual, indiscriminate, non-specific, stray, erratic

Origin

Mid 17th century: from Greek stokhastikos, from stokhazesthai ‘aim at, guess’, from stokhos ‘aim’.

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