Meschach was designed to solve systems of dense or sparse linear equations, compute eigenvalues and eigenvectors, and solve least squares problems, among other things.
Meschach可以解稠密或稀疏线性方程组、计算特征值和特征向量和解最小平方问题，另外还有其它功能。
Trust region method is a kind of efficient methods to solve the general unconstrained optimization and its special situation, the nonlinear least squares problems.
对于一般的无约束最优化问题及其特殊情况非线性最小二乘问题而言，信赖域方法是一种有效的方法。
The LZ algorithm presented in this paper makes possible the solution of the multiple regression analysis problems in management prediction without turning to the commonly used method of least squares.
本文提出的LZ算法，使管理预测中所涉及的多项目回归分析问题，无需采用最小二乘法就能得到解决。
A least-squares mixed finite element methods for the first-order system formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.
研究了无穷边界的二阶椭圆问题，探讨了将其转化为一阶系统的最小二乘有限元逼近方法。
The least squares solution of inverse problems of generalized skew symmetric matrices and It's optimal approximation problems are discussed.
讨论了线性流形上广义次对称矩阵反问题的最小二乘解及其逼近问题。
Least squares and matrix perturbation problems are considered.
最小平方法和矩阵微扰法等都列入考虑。
The least-squares solutions of inverse problems of a class of skew-symmetric matrices is discussed, and the expression of the solution is obtained.
讨论了一类次对称矩阵反问题的最小二乘解，得到了解的具体表达式；
Measured in the least squares adjustment of the function model to solve problems, eventually reduced to the problem of linear equations.
在最小二乘测量平差的函数模型求解问题中，最后都归结为线性方程组的求解问题。
To solve the above problems, we propose a cross-language information retrieval method using the interlingua semantics based on Partial Least-Squares (PLS) theory.
为解决上述问题，我们提出了一种基于偏最小二乘理论的中间语义的跨语言信息检索方法。
To solve the above problems, we propose a cross-language information retrieval method using the interlingua semantics based on Partial Least-Squares (PLS) theory.
为解决上述问题，我们提出了一种基于偏最小二乘理论的中间语义的跨语言信息检索方法。
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