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《Journal of Anhui Technical College of Water Resources and Hydroelectric Power》 2002-04
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Compound trapezoid formula and its application

L U ·· Tong bin (Anhui Technical College of Water Resources and Hydroelectric Power, Hefei 230601, China)  
In numerical analysis, compound trapezoid formula is often used to evaluate the approximate value of ∫ b af(x) d x which meets specified precision. Expecially, when primitive function can't be found, the advantage lay definitely with it. The article introduces how to derive the summation formula of ex n of sequence of number using the compound trapezoid formula.
【CateGory Index】: O241.4
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