mathematical expectation


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mathematical expectation

n
(Statistics) statistics another name for expected value

mathemat′ical expecta′tion


n.
Statistics. the summation or integration over all values of a variate of the product of the variate and its probability or its probability density.
Also called expectation.
[1830–40]
References in periodicals archive ?
Where SNR' denotes SNR of the compressed signal, and E() refers to the mathematical expectation.
The other kind is that the cycle time is a deterministic variable; that is, T = (1 - E(p))y/D, where E(p) is the mathematical expectation of p.
The mathematical expectation of the number of children of the families, whose final child is a boy for the first time, is equal to 2.
where, [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] are accordingly unbiased [zeta] and solvent [eta] ratings of mathematical expectation determined by special technique.
He explains how mathematical expectation is governed by the laws of chance, creating a paradox and contradictions associated with applications of the concept.
Testing the hypothesis of equality of mathematical expectation [K.
The following instruments were used in the evaluation process of the results of decisions about counteraction to threats, including both first and second generation of mutual effects and delayed (forgotten) effects between decisions and threats: algebra of fuzzy trapezoidal numbers; mathematical calculations by (non)reflexive incidence matrices for the function "experton", represented by confidential intervals with four evaluations ("confidential fours"); both probability distributions and mathematical expectation of the matrices with random fuzzy evaluations and with expertons; representative numbers of confidential intervals with four evaluations.
Even apart from the instability due to speculation, there is the instability due to the characteristic of human nature that a large proportion of our positive activities depend on spontaneous optimism rather than on a mathematical expectation, whether moral or hedonistic or economic.
stands for the mathematical expectation and the superscript * for the complex conjugate.
The superscript T denotes transposition of a matrix, the operator E[x] denotes mathematical expectation, and tr[x] stands for trace of a matrix.
If one is offered an equal [50:50] chance of getting 0 or 20,000 ducats, the mathematical expectation theory yields a value of: 0.
The first stage involves determining the mathematical expectation Ei for each line of matrix: [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII]);

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