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Language peer sets for TRIGMAN: United States↑ United States/1966↑ Designed 1966 ↑ 1960s languages ↑ Third generation↑ High Cold War↑ Genus Algebraic ↑ Algebraic↑ Mathematical↑ Expression-oriented ↑ Algebraic/1966↑ Mathematical/1966↑ Expression-oriented/1966↑ Algebraic/United States↑ Mathematical/United States↑ Expression-oriented/United States↑ TRIGMAN(ID:2587/tri003)celestial mathematics systemalternate simple viewCountry: United States Designed 1966 Genus: Algebraic A system for solving problems in celestial mechanics using symbolic maths. A preprocessor written in SNOBOL 4 created FORTRANIV output. THe terminolgy is borrowed from Weizenbaum's SLIP, rather than SNOBOL or LISP or FLIP From the Quasar page: "Also in 1966, Jefferys was lured to The University of Texas at Austin by Harlan Smith, to join an astronomy department with a rapidly developing first-class faculty. At Texas, Jefferys continued exploring dynamical systems. He applied his work not only to solar system objects, but also to galactic dynamics and to the dynamical stability of star clusters. He has a philosophical attitude toward the challenge of dynamical systems. 'The most interesting problems are always the ones that are the hardest,' he said. Jefferys also became interested in solving algebraic and calculus problems with computers. Calculations in celestial mechanics require extensive amounts of algebra. Jefferys designed a programming system, which alleviated the tedium in calculating these formulae, thus accelerating the work. This programming system, called TRIGMAN, was essentially finished by 1970. It is still used in celestial mechanics studies." Structures: Samples: References: in [EUROSAM 79] (1979) E.W. Ng (ed) "Symbolic & Algebraic Computation Proceedings of EUROSAM 79" Springer-Verlag, Berlin, 1979 in [EUROSAM 79] (1979) E.W. Ng (ed) "Symbolic & Algebraic Computation Proceedings of EUROSAM 79" Springer-Verlag, Berlin, 1979 Resources
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