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Information about the density distribution of a gas flowingin a pipe is obtained by measuring the mean densities alongstraight lines across the pipe. The density distribution isrepresented by a Fourier series with variable coefficients whichsatisfy a Volterra type integral equation of the first kind.This equation is solved and a numerical technique for calculatingthe solution is given. 相似文献
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The third order and the uniform cubic spline are defined andshown to have O(h3) and O(h4) convergence respectively whenused for interpolation. 相似文献
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