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Wikipedia:Reference desk/Archives/Mathematics/2018 April 28

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April 28

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odd, monotone, continuous, bounded

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The error function, the hyperbolic tangent and the inverse tangent all have these properties. Have I forgotten any important ones? —Tamfang (talk) 16:24, 28 April 2018 (UTC)[reply]

Following the links, you can get some more at Sigmoid function.John Z (talk) 19:11, 28 April 2018 (UTC)[reply]
Thanks. —Tamfang (talk) 22:56, 28 April 2018 (UTC)[reply]
where is an even function such that and exists. Count Iblis (talk) 00:55, 29 April 2018 (UTC)[reply]