单词 | computation |
释义 | computation (once / 2908 pages) n Computation is what you do when you calculate something, like a simple math problem or something involving quantum mechanics or — worse — even your taxes. People have invented all kinds of machines to help with computation, from the abacus to the computer, and, in fact, when computers were first invented (and when one computer could easily fill a large room), using a computer was called computation. Much of what made computers so revolutionary was that in a relatively short time they could do a complex mathematical computation that would take a human many lifetimes to do. WORD FAMILYcomputation: computational, computations+/computable: incomputable/computational: computationally/compute: computable, computation, computed, computer, computes, computing/computer: computerise, computerize, computers, microcomputer, supercomputer/computerise: computerised/computerize: computerization, computerized, computerizes, computerizing/microcomputer: microcomputers/supercomputer: supercomputers USAGE EXAMPLESThere was “some uncertainty,” he wrote, in the latest computations. The New Yorker(Aug 11, 2016) New endowments also will advance genetic programming and evolutionary computation through endowed prizes, fellowships and programs. Washington Times(Dec 08, 2016) These unlikely partners share a common conviction: that quantum computing—which aims to harness quantum mechanics to vastly accelerate computation—is ready for prime time. Science Magazine(Dec 01, 2016) 1n the procedure of calculating; determining something by mathematical or logical methods Syn|Hypo|Hyper calculation, computing transposition (mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign number crunchingperforming complex and lengthy numerical calculations mathematical operation, mathematical process, operation(mathematics) calculation by mathematical methods recalculationthe act of calculating again (usually to eliminate errors or to include additional data) permutationthe act of changing the arrangement of a given number of elements combinationthe act of arranging elements into specified groups without regard to order differentiationthe mathematical process of obtaining the derivative of a function maximizationthe mathematical process of finding the maximum value of a function integrationan operation used in the calculus whereby the integral of a function is determined exponentiation, involutionthe process of raising a quantity to some assigned power arithmetic operationa mathematical operation involving numbers matrix operationa mathematical operation involving matrices constructiondrawing a figure satisfying certain conditions as part of solving a problem or proving a theorem relaxation, relaxation methoda method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount procedure, process a particular course of action intended to achieve a result 2n problem solving that involves numbers or quantities Syn|Hypo|Hyper calculation, figuring, reckoning extrapolation (mathematics) calculation of the value of a function outside the range of known values interpolation(mathematics) calculation of the value of a function between the values already known conversiona change in the units or form of an expression: "conversion from Fahrenheit to Centigrade" approximation, estimate, estimation, ideaan approximate calculation of quantity or degree or worth derivative, derived function, differential, differential coefficient, first derivativethe result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx integralthe result of a mathematical integration; F(x) is the integral of f(x) if dF/dx = f(x) scalageestimation of the amount of lumber in a log curvaturethe rate of change (at a point) of the angle between a curve and a tangent to the curve data conversionconversion from one way of encoding data to another way digitisation, digitizationconversion of analog information into digital information credit, credit ratingan estimate, based on previous dealings, of a person's or an organization's ability to fulfill their financial commitments dead reckoning, guess, guessing, guesswork, shotan estimate based on little or no information guesstimate, guestimatean estimate that combines reasoning with guessing overestimate, overestimation, overrating, overreckoninga calculation that results in an estimate that is too high underestimate, underestimation, underrating, underreckoningan estimation that is too low; an estimate that is less than the true or actual value partial, partial derivativethe derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant indefinite integralthe set of functions F(x) + C, where C is any real number, such that F(x) is the integral of f(x) definite integralthe integral of a function over a definite interval problem solving the thought processes involved in solving a problem |
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