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n(th) Derivatives of unknown Functions
Posted:
Aug 21, 1996 2:05 AM
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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 Mma-Input I don't get the result
(s)
2^s F [2 x - a]
Is there any way to work around? Thanks for an answer!
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