Language peer sets for ALTRAN: United States↑ United States/1969↑ Designed 1969 ↑ 1960s languages ↑ Third generation↑ High Cold War↑ Genus Algebraic ↑ Algebraic↑ Mathematical↑ Expression-oriented ↑ Algebraic/1969↑ Mathematical/1969↑ Expression-oriented/1969↑ Algebraic/United States↑ Mathematical/United States↑ Expression-oriented/United States↑
ALTRAN(ID:312/alt003)
A FORTRAN extension for rational algebra
alternate simple view
Country: United States
Designed 1969
Published: 1969
Genus: Algebraic W.S. Brown, Bell Labs
A FORTRAN extension for rational algebra.
An extension of FORTRAN which incorporates some of the ALPAK capability. Places
The Legendre polynomials obtained from Rodrigues' formula using altran. The complete altran program is submitted to the computer. In this program an array P with 10 elements is declared that depends on the variable X up to the tenth power and the altran routine for differentiation is requested, The results, only part of which are presented, are obtained in the normal manner for jobs run in batch mode.
The f and g series obtained by recurrence using Altran. In this program the variable A represents p, B represents U and C represents E. The quantities F and G are declared to be arrays of 20 elements and they, together with U, V and W, are declared to depend upon A, B and C. A, B and C may occur to any power up to 100. The altran routine for differentiation is requested and the f and g series are computed in the obvious manner. The conditional statements at the end of the program arrange to write outf, andg, for = 1, 2 or 19. No results are presented for this program.
The following is an example of a simple program to compute R=P+dQ/dY, where R, P, Q are polynomials
R=P+DIFF(Q,Y)
References:
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Brown, WS (1966) Brown, WS "A language and system for symbolic algebra on a digital computer" pp349-369
AbstractExtract:
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(1967) Sammet, Jean E., Review of Brown paper
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Review in (1967) ACM Computing Reviews 8(01) January-February 1967
Sammet, Jean E., (1967) Sammet, Jean E., "Roster of Programming Languages 1967"
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ALTRAN in (1967) Computers & Automation 16(6) June 1967
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IntroductionExtract:
ALTRANExtract:
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Abstract in (1970) ACM Computing Reviews 11(01) January 1970
Hall, A.D. (1971) Hall, A.D. "The ALTRAN System for Rational Function Manipulation A Survey" revision of SIGSAM paper
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ALTRAN in [SIGPLAN] (1978) SIGPLAN Notices 13(11) Nov 1978
van Hulzen (1978) van Hulzen, J.A. "How discouraging is ALTRAN?" Meeting Report of SEAS SMC committee Amsterdam, 17-18-19 January 1978 (AMSTERDAM 78)
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Holbrook, Bernard D. and Brown, W. Stanley (1982) Holbrook, Bernard D. and Brown, W. Stanley "A History of Computing Research at Bell Laboratories (1937-1975)" Computing Science Technical Report No. 99 1982
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Symboics in [SIGPLAN] (1978) SIGPLAN Notices 13(11) Nov 1978
