查询词典 ill conditioned

In recent years, because of the ill-conditioned psychology, the students often make mistakes in psychology and behavior, even crime, which has had a bad effect on their development of their body and soul, even endangered the family and the society.

近年来，中小学生由于病态心理而导致心理与行为上的失误，甚至犯罪的现象时有发生，严重影响了学生的身心健康和发展，甚至危害了家庭、危害了社会。

Usual methods to cope with this difficulty depend either on the use of very expensive high precision instruments, or on the development of special computation technologies for the solution of ill-conditioned equations.

历来的解决办法是花高价提高测量仪器的精度，或发展对于病态方程的计算技术。

Because the MLS is used in this method, the disadvantages of the method are its less efficiency, and can form an ill-conditioned or singular equations sometimes.

但是移动最小二乘法的使用影响了该方法的计算效率，而且很容易形成病态方程组。

Minds, like bodies, will often fall into a pimpled, ill-conditioned state from mere excess of comfort.

心灵，如身体，常会因仅仅过度的舒适陷入疙瘩的，生病状态。

Construction of biased estimates for nonlinear ill-conditioned models are explored, and a simulation method of amending the deviations of nonlinear biased estimates is given here.

探索了非线性病态模型的有偏估计的构造，给出了非线性有偏估计偏差修正的仿真方法。

This thesis starts from the relationship between the direct deconvolution method in time domain and the DFT method in frequency domain, and find the identity of the two methods. Through deliberate investigation, this thesis discovers that ill-conditioned problem are caused by the deficiency of information.

本文从信号恢复的时域反卷积方法和频域中的DFT方法的关系入手，发现了两种方法的统一性，并深入研究了病态问题的机理，指出病态问题的根本原因在于信息不足。

This paper has improved some conventional algorithms and presents the weighting iterative improved algorithm and PSD-PCG algorithm, basing on the analysis of ill-conditioned linear system of equations characteristic and origin.

本文在分析了病态线性方程组的特点和成因的基础上，对一些传统的算法进行了改进，给出了加权迭代改善法和PSD—PCG法。

The PSD-PCG algorithm is effective to sovle ill-conditioned linear system of equations whose coefficient matrix is symmetric and positive definite and sparse.

本章提出的PSD—PCG法是解对称正定的稀疏病态线性方程组的有效算法。

The latter have been seeking for an appropriate algorithm for solving an optimization problem expressed in a form of error norm between estimates from a proper forward model of light propagation in tissue and the measurements. Mathematically, this posed an ill-conditioned inverse problem.

间接法的核心是寻找解优化问题的合适的算法，此优化问题表示为正向模型和测量值间的误差范数形式，在数学上这是一个病态的非线性逆问题。

The ill-conditioned normal equations bring numerical problems in construction of macromodel in time domain for power distribution networking using rational function approximation.

摘要有理函数逼近法方程组病态条件数为构建电源分配网络时域宏模型带来了数值问题。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。