By a comparison of the result with that of the analytical solution, the computational error of the numerical solution is discussed.
进行数值求解，通过数值解与精确解的比较，对计算误差的变化规律进行了分析研究。
The results of verifying calculation show that the analytic formula has smaller computational error as compared with computer numerical arithmetic, and therefore it is practical.
验证计算结果表明：解析公式与计算机数值计算法结果相比较，计算误差小，具有实用价值。
But with the increasing of the order of interpolation polynomials, serious oscillation phenomena will appear, which will increase the computational error and affect instabilities of computations.
但是，随着插值多项式次数的提高，计算误差会增大，出现龙格现象和不稳定。
But with the increasing of the order of interpolation polynomials, serious oscillation phenomena will appear, which will increase the computational error and affect instabilities of computations.
但是，随着插值多项式次数的提高，计算误差会增大，出现龙格现象和不稳定。
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