Fractional derivatives Real part (left graphic) and imaginary part (right graphic) of the fractional derivatives of . Real part of the fractional derivatives of over the . WeierstrassRiemann function The everywhere continuous, but almost nowhere differentiable generalized WeierstrassRiemann functions (red), (green), and (blue). Here . Weyl sums Weyl sums of the form for various . Zeros of the continued fraction expansion Real parts of the roots of the first terms of the denominators of the continued fraction expansion of in the . As increases from 0 to 60, the roots are colored from red to violet and cluster along the branch cuts.
