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1·Generally, a linear least squares problem leads to ihc solution of the so called normal equation.

解线性最小二乘问题时，通常都要解所谓正规方程。

2·The coefficient matrix of normal equation which is comr puted strictly is used as the standard of controlling accuracy.

用严格计算的法方程系数矩阵作为控制精度的标准。

3·A new iteration for solution normal equation is applied to GPS rapid positioning by using several-epoch single frequency phase data.

将一种求解病态法方程的新方法——谱修整迭代法应用于单频GPS接收机快速静态定位。

4·If the coefficient matrix of the normal equation is ill-conditioned, the statistical character of adjustment parameter will become poor.

当法方程的系数矩阵呈病态时，平差参数的统计性质就要变坏。

5·The causes of rank defect of normal equation are analyzed, and then the problems are solved by advancing different method to different causes.

分析了法方程出现秩亏的可能原因，针对不同的原因提出了解决办法。

6·Power system state estimation is usually formulated as a weighted least-squares problem and is solved iteratively by the normal equation method.

电力系统加权最小二乘准则的状态估计，通常采用正规方程法。

7·By contrast with trial method, normal equation method and plan solution method, present solution has good convergence stability, practicability and higher calculation accuracy.

与普通的试算法、正规方程法、规划求解法等数解法及图解法相比，该算法具有良好的收敛稳定性、方便实用性及较高的计算精度。

8·The strong interrelationship among exterior elements of linear pushbroom imagery induces normal equation severely ill-posed and least squares value deviated from the true value.

线阵推扫式影像外方位元素间的强相关性，导致法方程病态，外方位元素的最小二乘估计值误差较大。

9·The results show that the robust principal component estimation can not only overcome the ill condition of the normal equation. but also resist the outlier effects to the model parameters.

结果表明：抗差主成分估计不仅可以解除法方程系数降的病态，而且对于抑制观测粗差的影响也有显著功效。

10·Under general feasible set, in consideration of the algorithms for nonsmooth equations and the properties of projection map, the algorithms using the normal equation to solve are discussed.

在一般可行集下，结合非光滑方程组解法及投影映射的性质，讨论了法方程求解变分不等式问题的算法构成。