| 释义 |
algorithm|ˈælgərɪθ(ə)m|
[f. algorism, influenced by Gr. ἀριθµός ‘number.’]
1. = algorism 1 a.
1699Phil. Trans. XXI. 263 The Algorithm or Numeral Figures now in use. 1774T. Warton Hist. Eng. Poetry III. 46 The first who brought the algorithm from the Saracens. 1852R. Grant Hist. Phys. Astron. Introd. 9 The ingenious algorithm of the Indians.
2. Math. A process, or set of rules, usually one expressed in algebraic notation, now used esp. in computing, machine translation and linguistics.
1938Hardy & Wright Introd. Theory of Numbers x. 135 The system of equations..is known as Euclid's algorithm. 1960E. Delavenay Introd. Machine Transl. 129 Algorithm or algorism.., used by computer programmers to designate the numerical or algebraic notations which express a given sequence of computer operations, define a programme or routine conceived to solve a given type of problem. 1964F. L. Westwater Electronic Computers ix. 146 An Algorithm is a set of rules for performing a calculation. 1966Owen & Ross tr. Revzin's Models of Lang. ii. 22 A..more convenient way of arranging the phonemes is suggested. It is given by an instruction (an ‘algorithm’) consisting of six points.
3. Med. A step-by-step procedure for reaching a clinical decision or diagnosis, often set out in the form of a flow chart, in which the answer to each question determines the next question to be asked.
[1968L. B. Lusted Introd. Med. Decision Making iii. 70 Two..[studies] show that an algorithm in terms of a computer program can be developed for a computer based medical history system. ]1970Scottish Med. Jrnl. XV. 378 (heading) Flow charts, diagnostic keys and algorithms in the diagnosis of dysphagia. 1985Brit. Med. Jrnl. 23 Mar. 916/1 The algorithm illustrates the steps towards establishing a functional and aetiological diagnosis. |