quadruple summation
1quadruple rhythm — the gallop rhythm cadence produced when all four heart sounds, S1 to S4, recur in successive cardiac cycles. Cf. triple r. and summation gallop …
2Kahan summation algorithm — In numerical analysis, the Kahan summation algorithm (also known as compensated summation) significantly reduces the numerical error in the total obtained by adding a sequence of finite precision floating point numbers, compared to the obvious… …
3Catalan number — For names of numbers in Catalan, see List of numbers in various languages#Occitano Romance. In combinatorial mathematics, the Catalan numbers form a sequence of natural numbers that occur in various counting problems, often involving recursively… …
4Floating point — In computing, floating point describes a method of representing real numbers in a way that can support a wide range of values. Numbers are, in general, represented approximately to a fixed number of significant digits and scaled using an exponent …
5rhythm — 1. Measured time or motion; the regular alternation of two or more different or opposite states. 2. SYN: r. method. 3. Regular or irregular occurrence of an electrical event in the electrocardiogram or electroencephalogram. SEE ALSO: wave. 4.… …
6Chinese mathematics — Mathematics in China emerged independently by the 11th century BC.[1] The Chinese independently developed very large and negative numbers, decimals, a place value decimal system, a binary system, algebra, geometry, and trigonometry. Many[who?]… …
7Islamism — This article is about the political Islamic movement. For the religion of Islam, see Islam. For scholarship on Islam, see Islamic studies. Part of the Politics series on …
8Navier–Stokes equations — Continuum mechanics …
9Olivier Messiaen — in 1946 Olivier Messiaen (French pronunciation: [ɔlivje mɛsjɑ̃]; December 10, 1908 – Apri …
10Heart sounds — Front of thorax, showing surface relations of bones, lungs (purple), pleura (blue), and heart (red outline). The location of best auscultation for each heart valve are labeled with M , T , A , and P . First heart sound: caused by atrioventricular …
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