File:Negative2ndDerivativeSigmoidCurve.gif

Explain xkcd: It's 'cause you're dumb.
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Negative2ndDerivativeSigmoidCurve.gif(300 × 181 pixels, file size: 3 KB, MIME type: image/gif)

Plot of the second derivative of -tanh x from -2 to 1 by Wolfram Alpha. Made by me today, no rights reserved. —TobyBartels (talk) 18:08, 10 December 2013 (UTC)

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Date/TimeThumbnailDimensionsUserComment
current09:10, 22 December 2022Thumbnail for version as of 09:10, 22 December 2022300 × 181 (3 KB)Neerti (talk | contribs)Reverted to version as of 18:04, 10 December 2013 (UTC)
06:17, 22 December 2022Thumbnail for version as of 06:17, 22 December 20221,200 × 675 (824 KB)CobsonTheGemson (talk | contribs)
18:04, 10 December 2013Thumbnail for version as of 18:04, 10 December 2013300 × 181 (3 KB)TobyBartels (talk | contribs)Plot of the second derivative of -tanh x from -2 to 1 by Wolfram Alpha
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