alternating sign

См. также в других словарях:

• Alternating sign matrix — In mathematics, an alternating sign matrix is a square matrix of 0s, 1s, and −1s such that the sum of each row and column is 1 and the nonzero entries in each row and column alternate in sign. These matrices arise naturally when using Dodgson… …   Wikipedia

• alternating-sign phasing — ženklamainis fazavimas statusas T sritis automatika atitikmenys: angl. alternating sign phasing vok. alternierende Phasierung, f rus. знакопеременная фазировка, f pranc. mise en phase alternée, f …   Automatikos terminų žodynas

• Higher spin alternating sign matrix — In mathematics, a higher spin alternating sign matrix is a generalisation of the alternating sign matrix (ASM), where the columns and rows sum to an integer r (the spin ) rather than simply summing to 1 as in the usual alternating sign matrix… …   Wikipedia

• Alternating factorial — In mathematics, an alternating factorial is the absolute value of the alternating sum of the first n factorials. This is the same as their sum, with the odd indexed factorials multiplied by −1 if n is even, and the even indexed factorials… …   Wikipedia

• Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

• alternating function — noun Any function in which the interchange of two independent variables changes the sign of the dependent variable …   Wiktionary

• alternating function — noun mathematics : a function in which the interchange of two variables changes only the sign of the function …   Useful english dictionary

• accordion sign — alternating bands of high and low attenuation, resembling the bellows of an accordion, on computed tomography of the colon, resulting from entrapment of contrast material between edematous haustral folds; a sign of pseudomembranous colitis …   Medical dictionary

• Estimated sign — specification …   Wikipedia

• American Sign Language grammar — The grammar of American Sign Language (ASL) is the best studied of any sign language, though research is still in its infancy, dating back only to William Stokoe in the 1960s. Stokoe was the first linguist to approach any sign language as a full… …   Wikipedia

• Westinghouse Sign — The Westinghouse Sign was a large, animated, electric sign advertising the Westinghouse Electric company and located in Pittsburgh, Pennsylvania, U.S.A. The sign was best known for the essentially infinite number of combinations in which (it was… …   Wikipedia