mathematical expectation

1. Math. the product of the probability of the occurrence of an event and the value associated with the occurrence of a given event.2. 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, expected value.[183040]
* * *
Universalium. 2010.
Look at other dictionaries:
mathematical expectation — noun see expectation * * * 1. Math. the product of the probability of the occurrence of an event and the value associated with the occurrence of a given event. 2. Statistics. the summation or integration, over all values of a variate, of the… … Useful english dictionary
mathematical expectation — mathemat′ical expecta′tion n. sta 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 5) Etymology: 1830–40 … From formal English to slang
mathematical expectation — noun Date: 1838 expected value … New Collegiate Dictionary
mathematical expectation — /mæθəˌmætɪkəl ɛkspɛkˈteɪʃən/ (say mathuh.matikuhl ekspek tayshuhn) noun Statistics the average of a set of possible values of a variable, the values weighted by the probabilities associated with these values … Australian English dictionary
ndimensional mathematical expectation of a random process function — Источник: ГОСТ 21878 76: Случайные процессы и динамические системы. Термины и определения оригинал документа … Словарьсправочник терминов нормативнотехнической документации
expectation — expectational, adj. expectationist, n. /ek spek tay sheuhn/, n. 1. the act or the state of expecting: to wait in expectation. 2. the act or state of looking forward or anticipating. 3. an expectant mental attitude: a high pitch of expectation. 4 … Universalium
expectation — ex•pec•ta•tion [[t]ˌɛk spɛkˈteɪ ʃən[/t]] n. 1) the act or the state of expecting; anticipation 2) something expected 3) Often, expectations. a prospect of future benefit or fortune: to have great expectations[/ex] 4) the degree of probability… … From formal English to slang
Expectation value (quantum mechanics) — In quantum mechanics, the expectation value is the predicted mean value of the result of an experiment. It is a fundamental concept in all areas of quantum physics. Operational definition Quantum physics shows an inherent statistical behaviour:… … Wikipedia
Expectationmaximization algorithm — An expectation maximization (EM) algorithm is used in statistics for finding maximum likelihood estimates of parameters in probabilistic models, where the model depends on unobserved latent variables. EM alternates between performing an… … Wikipedia
Mathematical sociology — Sociology … Wikipedia