要避免任何数与0 相除或溢出,将所有除法转换为乘法并检查运算符号(Y2=Y1的水平线不会计入算法)
To avoid any division by zero or overflow, transform all division into multiplication and check for the sign (horizontal lines with Y2=Y1 do not count in the algorithm)
假设有一个4x4的矩阵,我们希望将其与另外一个4x1的向量进行乘法操作。
Let's say we have a 4x4 matrix that we want to multiply with a vector (a 4x1 matrix).
使用MPI进行并行编程来实现矩阵与向量的乘法。
Parallel programming using MPI to multiply a matrix by a vector.
在页面中布置文本和图形对象与上文的乘法和加法示例使用的postfix语法相同。
You place text and graphics objects on the page with the same postfix syntax as that of the multiplication and addition example above.
函数体几乎与 “DiscoverPython,Part6”中的语句完全相同(但该文章中的乘法表为从1到10)。
The function body is almost identical to the statements shown in " Discover Python, Part 6" (the previous times table went from 1 to 10).
用最小二乘法求出了刀具拟合直线,并对拟合直线进行了修正,保证了修正后的创成表面与原拟合直线创成表面相吻合。
The cutter curve is fitted with the least square method and corrected to assure the corrected generation surface is identical with that of original fitted curve.
本文以传热实验为例,比较了实验数据处理的作图法与最小二乘法,通过计算机处理数据,对最小二乘法进行了回归。
This article makes a comparison between the construction of data handling and the least square, taking the experience of heat transmission as an example.
用线性最小二乘法、迭代法以及二分法与最小二乘法相结合的方法,以积分方程、微分方程和放热速率方程拟合dsc数据。
The DSC data obtained are fitted to the integral, differential and exothermic rate equations by linear least-squares, iterative, combined dichotomous and least-squares methods, respectively.
与经典的最小二乘法相比,共优点是能有效地抑制非整次谐波误差对模型参数估计的影响。
Comparing with the least squares method, the advantage of this approach in that the influence of non-integer harmonic errors on the estimate of model parameters has been effectively restricted.
这些公钥密码算法的关键操作为大整数模幂乘操作与椭圆曲线标量乘法操作,均属于计算密集型运算。
In these public key cryptographic algorithms, the kernel operations are modular exponentiation of multi-precision integer and elliptic curve scalar multiplication, which both are computing intensive.
采用阻尼最小二乘法与奇异值分解的方法来求解失调量。
By means of the damp least square method and singular value decomposition method, the misalignment of optical system could be calculated.
分析了等效系统参数辨识方法,采用最小二乘法与频域极大似然法求解先进飞机的低阶等效系统。
The methods of parameters identification are analyzed and low-order equivalent system is identified by frequency domain maximum likelihood method and least square method.
通过将其与一般算法进行比较,体现了最小二乘法的优越性。
The least square method is compared with normal arithmetic to show its superiority.
利用最小二乘法,建立过热蒸汽的密度与温度、压力之间的函数关系,实现过热蒸汽的空间曲面补偿法,力求测量误差达到最小。
Use method of the least squares to build function relation between temperature and pressure, the space camber compensation method is realized and makes THD measuring error least.
算法所需的运算只有RAM的读操作与乘法、加法运算。
All the operations needed are addition, multiplication and RAM reading.
应用确定型的时间序列分解法乘法模型与随机型的arma模型相结合,建立重庆市主城区人口死亡率的时间序列模型。
Combined with certain type time series recount multiplicity model and random type ARMA model, establish the time series model of the death rate in Chongqing urban area.
将霍夫变换与最小二乘法相结合,研究对实验数据和图像处理中的二值边缘图进行直线拟合的方法。
A new approach to fit line is proposed. In this method, Hough transform and least square have been combined to process experiment data and the contour of binary images.
设计了一种新的分组密码算法,该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。
A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
介绍了滑动最小二乘法对地应力场的模拟分析与现场应用。
The application of moving least square method to simulation of in-situ stresses with large depth is presented in this paper.
通过一些具体实例,将这种方法与最小二乘法作对比,发现它有较好的预报效果。
When apply this method to some examples, more satisfactory results can be obtained in comparison with that of the method of least square.
用最小二乘法拟合等离子体粒子能谱实验数据时,通常使拟合函数与实验能谱数据之间的误差平方和极小化。
Fitting a curve for an experimental energy spectrum of plasma particles with the least square method, a square error sum between the fitted curve and experimental spectrum data is usually minimized.
还建立了基于最小二乘法曲线拟合与指数平滑法的需求量预测模型。
Additionally, a model of demand forecast, which bases on methods of least square and exponential smoothing, also be made.
用最小二乘法建立了与实验结果拟合良好的数学方程,获得了有益的操作参数并进行了模拟计算。
Mathematical equations gained by least-squares fit the experimental results well, and the favorable operation parameters were obtained and simulated.
设计完成的乘法器只产生9个部分积,有效降低了部分积压缩阵列的规模与延时。
The designed multiplier has only 9 partial products, which effectively reduces the size and delay of compression array.
把计算方法中的最小二乘法与泛函的抽象空间联系起来,得到最佳逼近问题的抽象提法,并在赋范线性空间探讨最小二乘法。
This article focuses on the topics that by connecting the the least-squares Minimization with the functional abstract space, the abstract definition of the best approximation problem is abtained.
与传统的移位乘法器相比,它将乘法器速度提高一倍。
Compared with the traditional serial multiplier, it can obtain twice speed-up.
种族进化史研究表明,动物具备算术能力,它们运用数量感来表征可数与不可数的数量,并以此为基础进行加法、减法、乘法和除法运算。
It means they can represent countable and uncountable quantity with mental magnitude. They can perform addition, subtraction, multiplication and division.
根据乘法概率法则,将某一年龄段的留存率与前一年龄段的生存率相乘可得该年龄段的生存率。
According to probability principle of multiplication, the survival rate was the product of retention rate at certain period and survival rate at the previous period.
该法用线性最小二乘法、迭代法以及二分法与最小二乘法相结合的方法,以积分方程、微分方程和放热速率方程拟合实验数据。
Thedata are fitted to the integral, differential and exothermic rate equations by linear least-squares, iterative, combined dichotomous and least-squares methods, respectively.
本文把小波函数引入离散数据拟合领域,将小波函数与数据拟合的常用方法——最小二乘法相结合,给出了一种新型的数据拟合工具。
Both the wavelet functions and the least square algorithm of fitting of data are used to construct a new method of fitting of curve and surface.
应用推荐