fixed point theorem

基本解释

• [數] 不動點定理

英汉例句

雙語例句

• The Lefschetz fixed-point theorem (and the Nielsen fixed-point theorem) from algebraic topology is notable because it gives, in some sense, a way to count fixed points.
  在博拉奇不動點定理中給出了一般標準：如果不滿意疊代函數程序就産生一個固定點。
• In this paper, we extend an important fixed point theorem for set-valued. A random fixed-point theorem for random set-valued semi-closed 1-set contraction mapping is obtained.
  將集值半閉1-集壓縮映象的一個重要不動點定理隨機化，得到隨機集值半閉1-集壓縮映象的隨機不動點定理。
• By using the fixed-point theorem of cone expansion-compression type with norm, we study the existence of positive pseudo-symmetric solutions to a four-point boundary value problem.
  利用範數形式的錐拉伸與壓縮不動點定理，研究了一類四點邊值問題擬對稱正解的存在性。

權威例句

• Using an existing result from calculus called Brower's Fixed-Point Theorem, they proved that at least one solution could be found.
  ECONOMIST: Fuzzy logic

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词组短语

短語

• Fixed -point Theorem 不動點定理;定點定理;不動點理論;不動點原理
• Kleene fixed -point theorem 尅萊尼不動點定理
• Lefschetz fixed -point theorem 列夫希玆不動點定理
• random fixed -point theorem 隨機不動點定理
• Fixpunktsatz fixed -point theorem 不動點定理

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专业释义

數學

• 不動點定理

  By applying the Leggett-Williams fixed-point theorem, some sufficient conditions guaranteeing the existence of at least two positive solutions are estab-lished under weaker conditions. As an application, an example is given to demonstrate our main results.
  在較弱的條件下,利用Leggett-Williams不動點定理,給出了其至少有兩個正解存在的充分性條件,竝給出了一個例子作爲主要結果的應用。

• 不動點原理

  Moreover, applying the method of singular integral equation and the Schauder fixed-point theorem, we prove the existence of the solution for a nonlinear boundary value problem and get the integral representation of its solution.
  的解)的一些性質,竝運用奇異積分方程的方法和Schauder不動點原理証明此廣義全純函數的一個非線性邊值問題解的存在性,竝得到解的積分表示式。

  計算機科學技術

• 不動點定理