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- Legendre polynominal 勒让德多项式
- The dual symmetry of Legendre transformation is studied. 指出热力学关系具有勒让德变换的对偶对称性 .
- In our discussion,it is proposed to use Chebyshev polynomial and Legendre polynomial,they are easier to sa... 最后讨论同一多项式阶数下不同历元数对拟合结果的影响。
- A kind of boundary value problems of ordinary differential equations was solved with Legendre wavelets method. 摘要利用勒让德小波算法,解一类常微分方程边值问题,得到其数值解。
- The prime number theorem of Gauss and Legendre approximates the number of primes less than x. 素数定理高斯和勒接近若干素数不到十。
- Based on Legendre multinomial, a new kind of low pass filter prototype is designed out after analyzing the design rule and inefficiency of some classical filter prototypes. 摘要分析了几种经典的滤波器原型设计原理及其自身不足,基于勒让德多项式,给出了一种新的低通滤波器设汁原型。
- It need store(N+1)~2 coefficients and compute(N+2)(N+1)/2 fully normalized associated Legendre functions with the use of normal method. 常规计算中除需存储(N+1)2个系数值外,还需迭代计算出(N+2)(N+1)/2个完全正常化勒让德函数值。
- A method of parameter identification of the time-varying bilinear systems via shifted Legendre polynomials is presented. 本文提出了利用移位勒让德(Shifted Legendrc)多项式辨识时变双线性系统的一个方法。
- In a same standard, PCB based on Butterworth、 Chebyshev、Legendre are dsigned out, the dimension and filter function are compared. 同一指标下,设讨出巴特沃斯、契比雪夫、勒让德原型滤波器印制板,给出并比较了实现尺寸与滤波特性。
- The experimental resultswere fitted to Legendre polynomials by means of least--square method and com-parisons with earlier measurements are presented. 实验结果用最小二乘法按照勒让德(Legendre)多项式拟合;误差为±2.;6%25;并与国外结果进行了比较。
- Numerical tests of the ORHHVFE constructed using 1-st Legendre polynomials based on the above method and the other HHVFE were carried out and compared. 并利用该方法构造的阶谱六面体矢量单元与其它阶谱六面体矢量单元(HHVFE)进行了金属腔本征模问题的数值计算对比实验。
- The problem of rapid Lunar soft-landing trajectory optimization by using a Legendre pseudospectral method was studied in this paper. 为了满足探月器软着陆过程中轨道实时生成的要求,研究了伪光谱方法在月球软着陆轨道优化设计中的应用。
- Cyril Tomasone of France and Steven Legendre of United States compete in the O2 Arena on October 13, 2009 in London, England. 法国的西里尔和史蒂芬托马索内的美国勒竞争2009年10月13号在英国伦敦的O2 Arena的。
- KORP-1 is used to calculated the direct (n,p) or (p,n) reaction differential cross section and its Legendre coefficients as well as the integral cross section. KORP-1是用于计算直接(n,p)或(p,n)反应的微分截面及其勒让德系数和积分截面的程序。
- Experimental results demonstrate that the watermark is invisible and robust against common image lossy compression and noise, and the Legendre array is better. 实验结果表明 ,实现的水印具有不可见性 ,而且对于常见图像压缩和噪声干扰具有很好的健壮性 ,而采用Legendre阵列的算法效果更佳。
- In this paper, we present a different approach, in which an approximation to the complex exponentials of Legendre polynomials is combined with FFT to compute the NUFT. 该文提出一种通过将快速傅里叶变换与复指数的勒让德多项式展开结合起来计算非均匀傅里叶变换的新方法,该方法具有快速、数据不依赖的特点。
- It was shown by Fillmore in [1] that linear transformations ?A? and ?T? on a Banach space, with ?A? bounded. If Lat(?A?)?Lat?(T)? under what conditions and ?T? commutes with ?A?, then ?T? is a polynominal in ?A?. Fillmore在[1]中得到一个定理:设A;T是Banach空间X上的线性变换;A有界;若Lat(A) Lat(T)且AT=TA;则T是A的多项式.
- In this paper, the limitation of the fitting method of Harmonic Polynominal in research on vertical curustal movement has been testified by theoretical deduction and practical illustration. 在理论分析和实例验证的基础上对“调和多项式拟合法”应用于地壳垂直运动研究的可靠性进行了讨论。
- Using analyzing Legendre polynomial to solve the equation of the pair-distribution function, some order functions and the corresponding order results are obtained through matching inner and outer fields. 以勒让德多项式分解来处理对分布函数 ;进一步求得不同级的函数方程 ;再以内外域解的匹配来求得逐级方程具体形式和逐级解 .
- A random regression model with Legendre polynomials of age as independent variables was used to estimate the covariance functions by restricted maximum likelihood employing the average information algorithm (AIREML). 配合将年龄的勒让德多项式作为自变量的随机回归模型 ,用平均信息约束最大似然 (AIREML)法估计。