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Topologist's sine curve : ウィキペディア英語版 | Topologist's sine curve In the branch of mathematics known as topology, the topologist's sine curve is a topological space with several interesting properties that make it an important textbook example. It can be defined as the graph of the function sin(1/''x'') on the half-open interval (0, 1], together with the origin, under the topology induced from the Euclidean plane: : ==Image of the curve==
As ''x'' approaches zero from the right, the magnitude of the rate of change of 1/''x'' increases. This is why the frequency of the sine wave increases as one moves to the left in the graph.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Topologist's sine curve」の詳細全文を読む
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