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C++ API

Function File: nthroot (x, n)

Compute the n-th root of x, returning real results for real components of x. For example:

            nthroot (-1, 3)
           ⇒ -1
           (-1) ^ (1 / 3)
           ⇒ 0.50000 - 0.86603i

x must have all real entries. n must be a scalar. If n is an even integer and X has negative entries, an error is produced. See also: realsqrt, sqrt, cbrt.

Package: octave