View source: R/FUNC__Styblinski-Tang.R
styblinski_tang_func | R Documentation |
Implementation of n-dimensional Styblinski-Tang function.
styblinski_tang_func(x)
x |
numeric or complex vector. |
On an n-dimensional domain it is defined by
\mjdeqnf(\vecx) = \frac12 \sum_i=1^n \left( x_i^4 - 16x_i^2 + 5x_i \right),f(x) = 1/2 sum_1^n ( x_i^4 -16x_i^2 +5x_i ), and is usually evaluated on \mjeqnx_i \in [ -5, 5 ]x_i in [-5, 5], for all \mjeqni=1,...,ni=1,...,n. The function has one global minimum at \mjeqnf(\vecx) = -39.16599nf(x) = -39.16599n for \mjeqnx_i=-2.903534x_i=-2.903534 for all \mjeqni=1,...,ni=1,...,n.
The value of the function.
Styblinski1990EmiR
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