查询词典 computational formula

The NT algorithm takes advantage of a novel formula for calculating atomic interactions that greatly reduces the computational load.

NT(中立域neutral territory)运算法则利用新颖的公式计算原子间相互作用，大大减轻了计算机加载的工作量。

Based four-level forecast model, this paper presented an improved complete graph algorithm and derived analysis formula of computational amount of algorithms to prove improvement in algorithm performance.

以四级预测模型为基础，提出改进的完全图算法，并推导出该算法计算量的解析式，从理论上证明了改进的完全图算法性能上的提高。

In order to reduce the computational complexity, the computing formula of the maneuvering direction and turn rate corresponding to a special measurement is presented.

为了减少数据互联的计算量，该文提出了与特定测量相匹配的转弯率和转弯方向的计算方法。

Based on the computational properties of weight incremental formula in LMBP algorithm,an approach of improving the convergence speed of this algorithm is proposed and applied to the initial LMBP method.

由于它具有较高的鲁棒性和容错性、较短的故障诊断时间、较好的算法通用性等优点，所以在实际应用中，受到了广大专家学者的青睐。

The computational method and formula of elastic multi-body contact problemwith mult-contact surface by boundary element method were carried out and the correspondingfortran program was eompiled as well.

推导了多弹性体多接触面无摩擦接触问题的边界单元法的计算公式和方法，并编制了相应的FORTRAN程序。

Water resources ; dynamic flood control capacity ; computational method ; formula derivation ; static flood control capacity

水资源；动防洪库容；计算方法；公式推导；静防洪库容

Through to the road grade separation circular route mathematical model's research, has based on this compiled the road grade separation circular route coordinate computational procedure; Each kind of curve linear on the one hand pile computation general formula's establishment, is advantageous in the programming solves on the other hand any curve the pile coordinate.

通过对公路立交匝道数学模型的研究，在此基础上编写了公路立交匝道坐标计算程序；各种曲线线形边桩计算通用公式的建立，有利于编程以解决任何曲线边桩坐标。

In order to solve the problem,starting from the analysis of the simplest plane wave numerical theory,we derived the formula of relative phase velocity and group velocity under the condition of arbitrary high-order finite-difference approximation,and gave the computational method for acquiring the optimum Courant number,and then analyzed the anisotropic effects due to finite difference approximation.

针对此，从最简单的平面波数值理论分析出发，推导了任意高阶有限差分近似条件下相对相速度和相对群速度的计算公式，给出了求解最佳Courant数的计算方法，分析了差分近似造成的各向异性效应。

With the knowledge of linear algebra, general formula for arbitrary order Taylor finite difference has been derived. In this paper, the analysis of spectral property and computational error of arbitrary order TFD is presented in detail. Then it is applied into the numerical solution of Maxwell's equations. Stability condition and numerical dispersion relation are derived.

本文借助于采样定理，详细分析了不同阶Taylor中心差分格式的谱特性以及计算误差，并将任意阶Taylor中心差分格式用于数值求解麦克斯韦方程中，严格导出了稳定性条件和数值色散关系的表达式，引入了新的误差定义来衡量算法的好坏。

It's the first time that from the angle of computational mathematics combined with the structure model of parallel machine, the parallel degree of the relevant algorithms in orthopaedics clinic engineering modeling system, such as piecewise cubic Lagrange interpolation formula, piecewise cubic Hermite's interpolation formula, cubic spline, Chebyshev multinomial fitting algorithms, least square method and contour curve multinomial algorithms, were discussed.

论文首次从计算数学的角度并结合并行机的结构模式出发，讨论了在骨科临床工程造型系统中可能涉及的如分段三次拉格郎日插值公式、分段三次埃尔米特插值公式、三次样条函数、切比雪夫多项式拟合算法，最小二乘法以及轮廓曲线多项式求值算法的并行度。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。