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A point source as imaged by a system with negative (top), zero (center), and positive (bottom) spherical aberration. Images to the left are defocused toward the inside, images on the right toward the outside. The point spread function ( PSF) describes the response of a focused optical imaging system to a point source or point object.
The line-spread function is directly proportional to the vertical integration of the point-spread image. The optical-transfer function (OTF) is defined as the Fourier transform of the point-spread function and is thus generally a two-dimensional complex function. Typically only a one-dimensional slice is shown (c), corresponding to the Fourier ...
500 or Five Hundred is a trick-taking game developed in the United States from Euchre. [1] Euchre was extended to a 10 card game with bidding and a Misère contract similar to Russian Preference, producing a cutthroat three-player game like Preference [2] and a four-player game played in partnerships like Whist which is the most popular modern form, although with special packs it can be played ...
The first spread Andrews comes to for an NFL game is simple math, using the power ratings: If Team A is 90, Team B is 91 and at home with a 2.5-point home-field advantage, the line is Team B -3.5.
FBS teams favored by at least four touchdowns against other FBS teams went 8-0 against the spread in Week 1. College football betting: Don't be afraid to lay the points on big spreads [Video] Skip ...
Only twice since 1974 has there been a spread higher than 11.5 points. In 1996, Kentucky was favored by 14 over Syracuse in a national semifinal, and in 2021 Gonzaga was favored by 14.5 over UCLA.
Spread betting. Spread betting is any of various types of wagering on the outcome of an event where the pay-off is based on the accuracy of the wager, rather than a simple "win or lose" outcome, such as fixed-odds (or money-line) betting or parimutuel betting . A point spread is a range of outcomes and the bet is whether the outcome will be ...
The 1978–79 Boston College basketball point-shaving scandal involved a scheme in which members of the American Mafia recruited and bribed several Boston College Eagles men's basketball players to ensure the team would not win by the required margin (not cover the point spread) or win by the required margin (cover the point spread), allowing gamblers in the know to place wagers against that ...