查询词典 forward difference quotient

These operators return the sum, difference, product, or quotient of the two operands.

这些函数将返回两个操作数值的计算结果。

Results:There was significant difference in developmental quotient of five ergoregions between interventio...

结果：早期干预组与未干预组在大运动、精细运动、适应行为、语言和个人-社会性行为5大能区发育商的比较，差异有统计学意义(P.01)，而干预组与对照组比较无统计学意义。

Difference, and quotient of any two elements in the set is an element of the set.

合内之任二元素之加、减、乘、除之结果仍是此集合内之一元素，意即具有封闭性。

Life down the difference quotient is not poor, and later developed into a different reason, and even different will happen, the determining factors are: the lives of individuals, whether or not to themselves.

人生下来，智商的差别是不悬殊的，而后来之所以能发展成不同，甚至会发生天壤之别，起决定性因素的就是：生命的个体，是否对自己负责。

The difference between the verbal intelligence quotient and performance intelligence have little influence on the IQR-W.

言语智商与操作智商是否有差异对IQR-W影响不大。

Based on reliability analysis of frame structure, in this paper, the relative difference quotient methods is used for optimization of the frame structure, and a iteration scheme to find the optimum solution is presented.

以框架结构系统的可靠性分析为基础，给出离散变量框架结构可靠性优化的相对差商方法及迭代格式，并用算例证明了该法的有效性及实用性。

Contributions of shaping variables and sizing variables of frame structure to objective function are measured in the concept of a relative difference quotient method.

利用相对差商的概念，将框架结构形状变量和截面尺寸变量统一考虑，根据两类变量的相对差商值确定优化搜索的方向。

Through the comparison with other learning methods, the conclusion is drawn that the Powell method in which the derivative is replaced by the difference quotient is an eff...

通过与其他学习算法的比较，得出结论：其中用差商近似代替导数的Powel法是一种高效、快速的学习方法，其学习速率比带动量项的学习率自适应的BP算法高一个量级，而比DavidenFletcherPowel、BroydenFletcherGoldfarlShanno等变尺度方法以及其他非线性最小二乘法的稳定性要好得多。

Thirdly, in order to improve the learning efficiency and stability of feedforward neural network, a fast learning algorithm for neural networks based on CGM-OC approach is presented. Compared with other learning methods such as BP method, Broyden Flecher Goldfarl Shanno method and Powell method in which the derivative is replaced by the difference quotient etc, simulation results show that the proposed method is an efficient and fast one.

第三，为了提高前馈神经网络权值的学习效率及稳定性，提出一种基于正交校正共轭梯度优化方法的神经网络学习算法，通过与其它学习算法（如：BP算法、变尺度法、用差商近似代替导数的Powell法等）的比较，经仿真试验表明，本算法是一种高效、快速的学习算法。

In this paper, the idea of that derivative is replaced with difference quotient is involved in calculating each item of Jacobi matrix.

船舶自由浮态计算实质也是求解一个隐式非线性方程组，故同样可用这一方法求解。

Substantial collagenous fibril proliferation at the inner side and around the endoneurium was also observed.

电镜下，雪旺细胞出现在神经内膜管内，神经内膜管下及内膜管周围有大量胶原原纤维增生。

Those who can not all tofu is also sold out, so I then left into the fermented bean curd tofu marinated.

那些豆腐也不可能全部卖完，于是我再把剩下的豆腐腌制成腐乳。