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  2. Ramp function - Wikipedia

    en.wikipedia.org/wiki/Ramp_function

    The ramp function is a unary real function, whose graph is shaped like a ramp. It can be expressed by numerous definitions, for example "0 for negative inputs, output equals input for non-negative inputs". The term "ramp" can also be used for other functions obtained by scaling and shifting, and the function in this article is the unit ramp ...

  3. Macaulay brackets - Wikipedia

    en.wikipedia.org/wiki/Macaulay_brackets

    The above example simply states that the function takes the value () for all x values larger than a. With this, all the forces acting on a beam can be added, with their respective points of action being the value of a. A particular case is the unit step function,

  4. Betting strategy - Wikipedia

    en.wikipedia.org/wiki/Betting_strategy

    A betting strategy (also known as betting system) is a structured approach to gambling, in the attempt to produce a profit. To be successful, the system must change the house edge into a player advantage — which is impossible for pure games of probability with fixed odds, akin to a perpetual motion machine. [ 1 ]

  5. Sports betting systems - Wikipedia

    en.wikipedia.org/wiki/Sports_betting_systems

    Billy Walters, who was profiled on 60 Minutes, [1] was the most famous member of the group. [2] Sports betting systems have not always been well trusted or liked by bettors. The stigma is that a sporting event has too many intangibles that a machine can't predict.

  6. Mathematics of bookmaking - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_bookmaking

    £10 × [(1/3 + 2) × (5/2 + 2) × (6/4 + 2) × (1/1 + 2) − 1 − [(1/3 + 1) + (5/2 + 1) + (6/4 + 1) + (1/1 + 1)]] = £999.16 In effect, the bet has been calculated as a Lucky 15 minus the singles. Note that the total returns value of £999.16 is a penny higher than the previously calculated value as this quicker method only involves rounding ...

  7. Four Horsemen of the Apocalypse (blackjack) - Wikipedia

    en.wikipedia.org/wiki/Four_Horsemen_of_the...

    Four Horsemen of the Apocalypse is the name given by gambling authors [1] [2] to the four U.S. Army engineers who first discovered in the 1950s the best playing strategy in the casino game of Blackjack that can be formulated on the basis of the player's and the dealer's cards.

  8. Card counting - Wikipedia

    en.wikipedia.org/wiki/Card_counting

    Larger ratios between point values create better correlations to actual EOR, increasing the efficiency of a system. Such systems are classified as level 1, level 2, level 3, and so on. The level corresponds to the ratio between values. The Hi-Lo system is a level-1 count; the

  9. Oscar's grind - Wikipedia

    en.wikipedia.org/wiki/Oscar's_grind

    A session is a sequence of consecutive wagers made until 1 unit of profit is won. [2] Each session begins by betting 1 unit, and ends by winning 1 unit of profit. If the gambler loses, the session continues and the bet is repeated. Each time the gambler wins the game following a lost game, the bet is increased by 1 unit.