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Use c language to make a Jacobi iterative arithmetic which could solve the linear equation group, but it s may be more ...

求解线性方程组的迭代，是一种简单的迭代法，可不如 Gauss-Seidel迭代法收敛速度快。

By introducing special stress functions, we find solutions of eighth order homogeneous linear equation set with complex functions method and approach of undetermined coefficients, deduce calculation formulas of bi-material elastic constants for two dissimilar orthotropic composite materials. The expressions of stress intensity factors near finite interface crack tip subjected to symmetric loadings are derived. A engineering application numerical example is given.

通过引入特殊的应力函数，采用复变函数方法和待定系数法求解了八阶齐次线性方程组，推出了两种相异正交异性复合材料板的双材料弹性常数的计算公式，得到了受对称载荷作用的界面裂纹尖端应力强度因子的计算公式，给出了一个工程应用算例。

Then through solving that equation, a set of nonnegative linear independence weight vectors of principal components was obtained, by which a low-dimensional spectral space was spanned.

针对经典主成分分析法进行多光谱图像数据降维会使重构光谱反射比出现负值的问题，提出一种非负主成分分析法，并用该法构造低维光谱空间，实现高维多光谱数据与低维光谱空间的转换。

We transfer the location problem into solution of a non linear pro-gramming problem.from which an integral equation is obtained.

此外，本文讨论了G/M/1最优服务员的设置问题，并将其转化成为非线性规划问题的求解，并对从中导出的积分方程的解做了初步的探讨，给出了寻找最优设置的途径。

Using additional variable, a common dynamic reliability system is described by generalized semi-Markov process , and then the second Fred. Holm linear integral equation of lifetime process is obtained.

利用补充变量方法把一般的可靠性系统推广为广义半马尔可夫系统；利用广义半马尔可夫系统的积分模型，建立了描述一般可靠性系统寿命过程的第二类Fred。

In this paper, applying an integral expression of linear viscoelastic theory, several integral equation expressions for obtaining shear modulus G from stress relaxation modulus E{t and bulk modulus K are acquired by using inversion of the Laplace Transform.

本文应用线粘弹性理论的一种粘弹性积分变换式，采用拉氏逆变换，导出了由拉伸松弛模量E和体积松弛模量K求解剪切模量G的几种积分方程，并给出了由已知试验数据E和K通过迭代和数值积分求G的数值积分算法。

In this paper, an iterative approach to potential field continuation from curved surface to plane is proposed. The continuation of potential field data from a curved surface to a plane can be viewed as an inverse problem of upward continuation of plane potential field data, getting a linear integral equation. Through viewing the potential field data on the curved surface as the data on the average elevation plane of the curved surface, then using the wavenumber domain generalized inverse algorithm to downward continue the data from the average elevation plane to a given plane, and a topography correction based on the change of curved surface relative to its average elevation is implemented to the downward continued data on the given plane, finally the downward continued data plane is upward continued to the curved surface.

本文提出一种位场数据曲化平的迭代方法，即通过把位场数据曲化平视为平面位场数据向上延拓的反问题，得到曲化平的线性积分方程，再把曲面上位场数据视为曲面平均高程面上的位场数据，利用向下延拓的波数域广义逆算法把平均高程面上的位场数据向下延拓到设定平面上，再根据曲面和其平均高程面的相对起伏对设定平面上的向下延拓数据进行起伏校正，最后再把所得平面上的位场数据向上延拓得到曲面上的位场数据，并进行迭代。

high - grade gentle type ; lack one type ; positive power function ; successive integral ; linear differential equation ; solution

定理1： '卜'阶线性微分方程〔呻〕+ f的通解为：，二命{卜二〔丁〔·'一叮。·，dxldx…〕dx证明：两边同乘积分因子。，得： e

The expression of the least-squares solutions of the matrix equation A~TXA — B on the linear manifold is derived, too.

另外，利用矩阵对的商奇异值分解，给出了它的广义次对称最小二乘解的表达式。

In Chapter 6, the symmetric ortho-symmetric solution of the matrix equation AXAT = Bon the linear manifold S ={X 6 SPRnxn\XZ = Y, ZjYt = Y?

运用矩阵对的标准相关分解，给出了上述两类线性流形上矩阵方程A~TXA=B的双对称最小二乘解的通解表达式。

" I' d like to get some rough idea about music in the baroque ear, please."

请简要介绍一下巴罗克时期的音乐，好吗？

The results showed that the peak latency and pattern of SEPs elicited by electrical needling in LI-l1 and MP were similar. The amplitude of SEPs elicited by electrical needling in LI-l1 was higher than that of MP. There was no obvious SEPs generation when MM was electrical needling.

结果显示，电针刺激曲池穴和其邻近桡侧伸腕长肌运动点诱发性脑电波的波形和波峰时间是类似的，只是穴位的诱发性脑电波波幅较大，而电针刺激非穴位点并没有明显的诱发性脑电位。