Semiderivative

A Derivative of order 1/2. The semiderivative of the Constant Function $f(x)=c$ is

$${d^{1/2} c\over dx^{1/2}} = {c\over\sqrt{\pi x}}.$$

See also Derivative, Semi-Integral

References

Spanier, J. and Oldham, K. B. An Atlas of Functions. Washington, DC: Hemisphere, pp. 8 and 14, 1987.