文中采用了双最小二乘逼近来识别系统的模态参数。
The double least squares approach is used to identify modal parameters.
本文研究了一类矩阵问题的最小二乘逼近解，给出了解的表达式，提供了一个数值解法。
In this paper, we consider the least-square approximate solutions of a class of matrix problems. The expression of the solutions is provided and a numerical method is described.
其次给出了一种基于最小二乘逼近的产品变型配置设计方法。利用模拟退火算法得到了符合客户个性化需求的最优变量配置方案，即产品的性能和成本之间的平衡点。
Consequently, a method based on the least squares approximation is advanced to support variant design, so that the trade-off between product performance and cost can be achieved.
这个新方法是一种把最小二乘直线进行“逐步逼近转动操作”的方法。
It is a method making the least square line into successive approximation turn operation.
提出了一种利用最小二乘圆弧逼近非圆曲线的方法。
The method of least squares approximation for non-circular curve is suggested.
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。
The least squares solution of inverse problems of generalized skew symmetric matrices and It's optimal approximation problems are discussed.
然后各子图内像素灰度值以低阶多项式表示，依最小二乘准则以多项式逼近原图像的子图像。
Then, the image grey level of every subimage is approximated by low-order polynomial according to least-square criterion.
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。
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.
用逐次逼近法和最小二乘配点法求正交异性矩形薄板弯曲的几何非线性解。
Successive approximation and least square collocation are used to find the solution of geometrically nonlinear bending problem of orthotropic rectangular plates.
用逐次逼近法和最小二乘配点法求正交异性矩形薄板弯曲的几何非线性解。
Successive approximation and least square collocation are used to find the solution of geometrically nonlinear bending problem of orthotropic rectangular plates.
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