| 1. | While the question of learning from data is ill posed , so some excellent theories cannot satisfy the practical application properly
然而基于数据的学习存在一个不适定的问题，因此一些理论上很优秀的学习方法在实际运用中往往差强人意。 |
| 2. | By means of idea of the quasi - solution the inverse problem is converted into a sequence of well - posed forward problems and an ill - posed system of algebraic equations
应用拟解法的思想，把原问题分解为一系列适定的正问题和一个不适定的线性代数方程组。 |
| 3. | Determining the unknown source term in a heat equation is a class of inverse problem with important application background , which is ill - posed in the sense of hadamard
确定热传导方程中的线性和非线性源项是一类有重要应用背景的反问题，它在hadamard意义下是不适定的。 |
| 4. | Image reconstruction algorithm is the ect key technique . image reconstruction that reconstruct image in the imaging area by measuring capacitance around the imaging area is a nonlinear and ill - posed inverse problem
图像重建算法是ect系统的关键技术，是一个非线性的、不适定的逆问题，是通过有限个观测数据(电容测量值)将成像区域内介质的介电常数分布图重建出来。 |
| 5. | The algorithm only needs to solve an ill - posed linear system and a well - posed minimization problem and requires only the knowledge of the near field measurements of the scattered fields due to point source fields at a finite number of incidence and observation points distributed over a limited aperture
该算法只需求解一个不适定的线性系和一个适定的非线性最小化问题，而且只需要点源入射场的散射场在某个有限孔径中若干有限个入射和测量点上的近场测量信息。 |
| 6. | Topics covered include : performance and robustness trade - offs ; model - based compensators ; q - parameterization ; ill - posed optimization problems ; dynamic augmentation ; linear - quadratic optimization of controllers ; h - infinity controller design ; mu - synthesis ; model and compensator simplification ; and nonlinear effects
其中包含以下几个主题：有关系统性能与强健性间的取舍；基于数学模型的补偿器；补偿器数学模型的q参数化；不适定的最佳化问题；动态扩增；控制器的线性二次最佳化； h控制器设计； ?合成法；系统模型与补偿器的简化以及非线性效应。 |
