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Nowhere Monotone Function Wall Art Poster

Nowhere Monotone Function Wall Art Poster

Prix habituel $8.00 USD
Prix habituel Prix promotionnel $8.00 USD
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Calculus instructors often use the phrase ``continuous function'' (loosely, one whose graph has no jumps) while drawing a differentiable function (one whose graph has a tangent line at each point). It can therefore come as a conceptual shock to learn in real analysis that a continuous function may be differentiable nowhere, and in fact that a ``randomly chosen'' continuous function is nowhere-differentiable.

A sequence of piecewise-linear (connect-the-dots) functions can converge to a nowhere-monotone, hence nowhere-differentiable, function. In the image, a sequence of functions is defined recursively by replacing each line segment with a zig-zag having the same endpoints. Such a sequence converges ``uniformly'' to a continuous limit.

An economical lustre poster paper with a high white, satin finish and smooth microporous coating for accurate photo reproduction. The smooth, satin finish and wide colour gamut make this an excellent substrate for posters and professional photographs.

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