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n(th) Derivatives of unknown Functions
Posted:
Aug 21, 1996 2:05 AM


Hi,
Consider F to be an unknown function. I would like to solve
d^s / dx^k F[2 x  a]
(a is a constant, F a function with real numbers as input and real numbers as output, (no vectors)).
With D[ F[2 x  a], {x, s} ] as MmaInput I don't get the result (s) 2^s F [2 x  a]
Is there any way to work around? Thanks for an answer!



