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% OILTANKA.M Function evaluation for QUADL step in OILTANK.M
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% Evaluate integrand x(y) = sqrt(Dy - y^2) for some y vector in integration range
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% File prepared by J. R. White, UMass-Lowell (July 2003)
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function x = oiltanka(y,D)
x = sqrt(D*y - y.^2);
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% end of function