重心

At the same time the velocity, acceleration and period of vibrating can be calculated by differentiation matrix and barycentric Lagrange interpolation, respectively.

同时，利用微分矩阵和重心Lagrange插值可以方便地求出非线性振动的速度、加速度和振动周期。

Not only the displacement but also velocity and acceleration have higher accurate in barycentric Lagrange interpolation collocation method.

重心Lagrange插值配点法不但对位移具有极高的计算精度，而且对于速度和加速度也就有极高的计算精度。

On the basis of exploration experiments ,then cubic simplicial barycentric method of mixture regression design was used,the ternary-composition modifier was originally developed.

在初步试验的基础上，通过混料设计三阶单纯形重心设计的实验法，确定了XYG改性剂的最佳配方。

Using barycentric Lagrange interpolation to approximate unknown function, the explicit formulations of element of differentiation matrix are constructed.

重心Lagrange插值具有数值稳定性好、计算精度高的优点。

Finally, the pixels of the recovered texture were obtained as a barycentric combination of the colors of the near four pixels.

最后采用基于重心坐标的加权纹理提取方法提取纹理图像。

The numerical examples of linear and nonlinear vibration demonstrate that barycentric Lagrange interpolation collocation method have advantages of simple formulations, easier to program and higher computational accuracy.

线性和非线性振动问题的数值算例表明，重心Lagrange插值配点法具有公式简单、数值实施方便和计算精度高的优点。

For the beam buckling problem, this paper presents the Barycentric Lagrange interpolation collocation method to get the differentiation Matrix of unknown function.

采用重心Lagrange插值多项式建立未知函数的微分矩阵，采用配点法将梁的控制方程表示为代数方程组。

Finally, a new method of errors analysis (midpoint and barycentric measure method )are presented to measure the errors of surface reconstruction, strong practicability shows that this error measure method is feasible to testify the validity of surface reconstruction.

最后，本文对重建曲面进行了误差分析，提出了一种新的误差度量方法，即中点、重心误差度量法；此方法运算效率高，并在一定程度上可以衡量曲面重建效果的好坏。因此有很强的实用性。

By solving the SturmLiouville eigen-equation in the barycentric coordinate, the generalized sine and cosine functions in the triangular domain are constructed. Properties of these functions are systematically investigated by visualization and theoretical derivation.

本文通过求解重心坐标下的Sturm-Liouville特征方程，构造出了三角区域的广义正弦函数和广义余弦函数，并通过可视化与理论推导相结合的方法系统的研究了这两组函数的性质。

By solving the Sturm-Liouville eigen-equation in the barycentric coordinate, the generalized sine and cosine functions in the triangular domain are constructed. Properties of these functions are systematically investigated by visualization and theoretical derivation.

本文通过求解重心坐标下的Sturm-Liouville特征方程，构造出了三角区域的广义正弦函数和广义余弦函数，并通过可视化与理论推导相结合的方法系统的研究了这两组函数的性质。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。