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function Y = fresnels(X) % FRESNELS Fresnel sine integral. % Y = FRESNELS(X) is the Fresnel sine integral of X. % It is defined as: % FRESNELS(x) = integral from 0 to x of sin(pi*t^2 / 2) dt % See also FRESNELC. % Copyright 2013 The MathWorks, Inc. Y = sym.useSymForNumeric(@fresnels, X); end