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Nowhere Differentiable Function
A nowhere differentiable function is a function for which noderivativeexists at any point in its domain.
See also
Blancmange Function,Differentiable,Monsters of Real Analysis,Pathological,Weierstrass FunctionExplore with Wolfram|Alpha
References
Bailey, D. H.; Borwein, J. M.; Calkin, N. J.; Girgensohn, R.; Luke, D. R.; and Moll, V. H. "Nowhere Differentiable Functions." §5.1 inExperimental Mathematics in Action. Wellesley, MA: A K Peters, pp. 107-120, 2007.Referenced on Wolfram|Alpha
Nowhere Differentiable FunctionCite this as:
Weisstein, Eric W. "Nowhere DifferentiableFunction." FromMathWorld--A Wolfram Resource.https://mathworld.wolfram.com/NowhereDifferentiableFunction.html