romberg sign

Based on the comparison of calculation accuracy between compound trapezoid formula,variable step-size trapezoid formula and Romberg formula,the article comes up with some specific selection methods,which contribute to high calculation accuracy and a lower computation complexity.

通过对复化梯形公式、变步长的梯形法则和龙贝格公式计算精确度的比较,得出一些具体的选择方法,可以为提高计算精确度减少复杂的运算。

On Romberg Integral Method and Its Application;

龙贝格积分法及其应用编程