negative base raised to fractional exponent
robert.kern at gmail.com
Wed Oct 17 00:18:51 CEST 2007
Steve Holden wrote:
> schaefer.mp at gmail.com wrote:
>> Does anyone know of an approximation to raising a negative base to a
>> fractional exponent? For example, (-3)^-4.11111 since this cannot be
>> computed without using imaginary numbers. Any help is appreciated.
> A couple of questions.
> 1. How do you approximate a complex number in the reals? That doesn't
> make sense.
> 2. x ^ -4.1111 = 1 / (x ^ 4.1111), so where do complex numbers enter
> into this anyway?
When *x* is negative and the exponent is fractional.
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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