quadrature formula

Then, using the second-order central difference to discretize the time derivative of the displacement, and applying the quadrature formula to the mass matrix, a fully discrete lumped mass Morley element method is developed for the same problem.

然后利用中心差分格式离散时间方向的二阶导数，再利用适当的求积公式得到薄板弯曲问题的集中质量Morley元全离散格式。

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If the coefficients 1, then we call a positive quadrature formula.

如果系数1, 然后我们称之为积极的求积公式.

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There are no conductions about the obvious form and the error equation of Romberg's quadrature formula in present literatures.

现有文献并没有介绍Romberg求积公式的显示形式，没有误差等式。

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However, in calculating the range nominal resolution of rectangular pulse signals using conventional definition formula, quadrature operation for range ambiguity function or infinite integration for "SIN" function is required.

然而，对矩形脉冲信号来说，按常规定义式计算距离名义分辨力，需要距离模糊函数的积分运算或对正弦函数进行无穷积分，这些积分运算往往较为复杂或为不定值；

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In this paper, the obvious form of Romberg's quadrature formula and the error equation is presented.

在这里将给出Romberg求积公式的显示形式和误差等式。

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