Does anyone know an example of a function that is 3 times differentiable, but not 3 times continuously differentiable?

- February 6th 2010, 02:11 PMpaupsers3 times differentiable, but not 3 times continuously differentiable?
Does anyone know an example of a function that is 3 times differentiable, but not 3 times continuously differentiable?

- February 7th 2010, 12:18 AMOpalg