04/04/2017, 10:38 PM

I am interested in how to get theĀ derivative of non-analytic functions.

For instance:

f(x) = 0 if x is reational and 0 otherwise.

f(x) = x xor 2x

f(x) = Y(1;x) (twist function of multidimensional "base units")

and so on...

How?

For instance:

f(x) = 0 if x is reational and 0 otherwise.

f(x) = x xor 2x

f(x) = Y(1;x) (twist function of multidimensional "base units")

and so on...

How?