Synonymer & Information om | Engelska ordet MARTINGALE

Exempel på hur man kan använda MARTINGALE i en mening

• Since a gambler will almost surely eventually flip heads, the martingale betting strategy is certain to make money for the gambler provided they have infinite wealth and there is no limit on money earned in a single bet.
• Conversely, any stochastic process that is both a submartingale and a supermartingale is a martingale.
• This general form of Azuma's inequality applied to the Doob martingale gives McDiarmid's inequality which is common in the analysis of randomized algorithms.
• In the martingale betting system, a gambler betting on a tossed coin doubles his bet after every loss so that an eventual win would cover all losses; this system fails with any finite bankroll.
• Finally, the Doob–Meyer decomposition can be used to decompose any local martingale into the sum of a local square integrable martingale and a finite variation process, allowing the Itô integral to be constructed with respect to any semimartingale.
• There are some stipulations about tack for the PTV, such as the wearing of horse and rider ID and the use of a headcollar and leadrope if the horse has a running martingale.
• The standing martingale, also known as a "tiedown" or a "head check", has a single strap which is attached to the girth, passes between the horse's front legs and is fixed to the back of the noseband.
• Every martingale is a local martingale; every bounded local martingale is a martingale; in particular, every local martingale that is bounded from below is a supermartingale, and every local martingale that is bounded from above is a submartingale; however, a local martingale is not in general a martingale, because its expectation can be distorted by large values of small probability.
• Martingales are Markovian at the level of pair correlations, meaning that pair correlations cannot be used to beat a martingale market.
• In probability theory, a real valued stochastic process X is called a semimartingale if it can be decomposed as the sum of a local martingale and a càdlàg adapted finite-variation process.
• Informally, the martingale convergence theorem typically refers to the result that any supermartingale satisfying a certain boundedness condition must converge.
• In probability theory, the optional stopping theorem (or sometimes Doob's optional sampling theorem, for American probabilist Joseph Doob) says that, under certain conditions, the expected value of a martingale at a stopping time is equal to its initial expected value.
• I succeeded on the third card, which proposed extending to submartingales an inequality called the "upcrossing inequality" that Doob proved for martingales and used to prove his martingale convergence theorem.
• Just as the bowsprit has bobstays, in order to counteract the upward force from the jib and fore topgallant stays a martingale hangs down from the point of the jib-boom to a dolphin striker, pulling downwards on the jib-boom.
• A bobstay may run directly from the stem to the bowsprit, or it may run to a dolphin striker, a spar projecting downward, which is then held to the bowsprit or jibboom by a martingale stay.

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