an extremal problem 极值问题
inverse extremal problem 反极图问题
functional extremal problem 泛函极值问题
degenerate extremal problem 退化极图问题
constrained extremal problem 带约束极值问题
extremal eigenvalue problem 极值本征值问题
In this thesis, we study the extremal problem of index in trees with k pendant vertices.
本文考虑的是k悬挂点树关于连通度指标的极值问题。
参考来源 - K悬挂点树关于连通度指标的极值问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
For the general hexagonal chains, the extremal problem of some important types of conjugated molecules have been solved previously.
对于一般的六角链，一些重要类型的共轭分子的极值问题已得到解决。
The problem of the lee slope stability of dune is equivalent to the extremal problem of a functional of two-variant function with a variable boundary in this paper.
将沙丘背风坡的稳定性问题等价于一个双参变量函数的待定边界的泛函极值问题。
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