It is well posed theoretically but ill posed practically.

理论上，这是适定问题，但在应用上是不适定的。

All the subjects are well posed.

所有的东西都摆好了位置.

The subjects are well posed in these photographs.

这些照片中的人物姿势都挺好.

Some functional methods can transform the ill-posed problem into well-posed problem.

对于这样的不适定问题，可用一些泛函方法使其转化为适定问题。

At last, we give the well-posed of some special population equations.

最后给出几种特殊的人口方程的稳态解的适定性。

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。