nonempty closed subset 中文意思是什麼
nonempty closed subset
解釋
非空閉子集-
A time scale t is an arbitrary nonempty closed subset of the real numbers. in the paper, we study quasilinearization and the monotone iteration methods for second - order nonlinear boundary value problems on time scales
時間模t _ 1是實數集上的一個非空閉子集,本文討論了時間模上二階非線性邊值問題的擬線性方法和單調迭代方法。
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