最小二乘法方程组在某些组合情况下也会出现严重的病态方程。
The least square simultaneous equations in some cases of combination also have the problem of the abnormal state equation.
一个大型电力系统最小二乘方准则的状态估计，由于其阶数很高而出现病态倾向。
When the least square criterion is applied to the state estimation of a large scale power system, high order of the equation will make it ill-conditioned.
另外，为了克服递推最小二乘出现的误差积累、传递现象，采用基于矩阵ud分解的递推最小二乘方法确定模糊模型的结论参数，从而实现模糊模型的结构和参数优化。
In addition, the recursive least square based on matrix UD decomposition is used to confirm the conclusion parameters of fuzzy model for the sake of accumulating and transferring o.
总体最小二乘方法(TLS)是近年来出现的一种较新的平差方法，与传统最小二乘方法(LS)不同的是，TLS可以同时顾及系数矩阵及观测值的误差。
The total least squares (TLS) are a new method in adjustment in recent years. Different from the least squares (LS), the errors in coefficient matrix and observations are considered simultaneously.
总体最小二乘方法(TLS)是近年来出现的一种较新的平差方法，与传统最小二乘方法(LS)不同的是，TLS可以同时顾及系数矩阵及观测值的误差。
The total least squares (TLS) are a new method in adjustment in recent years. Different from the least squares (LS), the errors in coefficient matrix and observations are considered simultaneously.
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