包括常义特征值反问题和广义征值反问题，这类问题包括加法和乘法经典代数特征值反问题。
This includes normal and generalized inverse eigenvalue problem which includes the additive, multiplicative classical inverse eigenvalue problems as special cases.
最后应用系统论、控制论和反问题对上述问题进行了系统的归纳和总结。
Finally, the above problems are systematically analyzed by using system theory, control theory and inverse problem.
围绕这一设计准则和目标，提出了很多设计方法，归纳起来主要有反问题设计方法和正问题设计方法。
Around this criterion of airfoil design, many design methods have been proposed, which can be classified into inverse method and direct method.
正问题和反问题有着本质的不同，在解的定义和求解方法上也有很大的区别。
A direct problem is different from an inverse problem in essence, and their definitions and methods of resolution are quite different.
反问题的求解常常需要转化为非线性优化问题，其目标函数定义为观测数据与模型数据之间的残差平方和。
The solution of inverse problem usually requires nonlinear optimization of an objective function describing the difference between measured and simulated data.
反问题的求解常常需要转化为非线性优化问题，其目标函数定义为观测数据与模型数据之间的残差平方和。
The solution of inverse problem usually requires nonlinear optimization of an objective function describing the difference between measured and simulated data.
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