Martingale
Encyclopedia
Martingale can refer to:
- Martingale (probability theory)Martingale (probability theory)In probability theory, a martingale is a model of a fair game where no knowledge of past events can help to predict future winnings. In particular, a martingale is a sequence of random variables for which, at a particular time in the realized sequence, the expectation of the next value in the...
, a stochastic process in which the conditional expectation of the next value, given the current and preceding values, is the current value - Martingale (tack)Martingale (tack)A martingale is any of several designs of tack that are used on horses to control head carriage. Martingales may be seen in a wide variety of equestrian disciplines, both riding and driving...
for horses - Martingale (collar)Martingale (collar)A martingale is a type of dog collar that provides more control over the animal without the choking effect of a slip collar. It is similar in concept to a horse's martingale....
for dogs and other animals - Martingale (betting system)Martingale (betting system)Originally, martingale referred to a class of betting strategies popular in 18th century France. The simplest of these strategies was designed for a game in which the gambler wins his stake if a coin comes up heads and loses it if the coin comes up tails...
- Martingale (rigging)Martingale (rigging)A martingale is a fore-and-aft stay lying directly beneath the bowsprit strengthening it and, if extended from the sprit a jibboom, against upward force created by the head stays....
- In the sport of fencingFencingFencing, which is also known as modern fencing to distinguish it from historical fencing, is a family of combat sports using bladed weapons.Fencing is one of four sports which have been featured at every one of the modern Olympic Games...
, a martingale is a strap attached to the sword handle to prevent a sword from being dropped if disarmed. - In the theatrical lighting industry, martingale is an obsolete term for a twoferTwoferA twofer is a cabling device used in theatrical stage lighting. It allows two stage lighting instruments to be connected to one dimmer. It is wired in parallel, such that voltage is consistent throughout the circuit, and current is shared between the two instruments. Twofers can be used in...
, or occasionally a threefer.