This concept’s semantic web URI is: [ http://sw.opencyc.org/2008/06/10/concept/en/ExponentFn ]

Exponent Fn

Unique Tag: [ ExponentFn ]

A binary function which returns the result of raising a specified number to a specified exponent. (Exponent Fn BASE EXP) returns BASE^EXP, i.e. BASE to the power EXP, where BASE and EXP are both instances of complex number. It returns instances of complex number.

Note that if one uses this function to determine the Nth root of numbers where N is even, i.e. by evaluating (Exponent Fn BASE (Quotient Fn 1 N)), this function returns only the positive real, X, such that X^N = BASE (whereas a negative root may also exist). Also note that the function is often undefined when the first argument is negative.

See also Exp Fn, a unary function which returns the result of raising e to a specified exponent. And see Scalar Exponent Fn, an extension of Exponent Fn to all (measurable) ScalarIntervals.

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