View source: R/FUNC__Griewank.R
griewank_func | R Documentation |
Implementation of n-dimensional Griewank function.
griewank_func(x)
x |
numeric or complex vector. |
On an n-dimensional domain it is defined by
\mjdeqnf(\vecx) = 1 + \sum_i=1^n \fracx_i^24000 - \prod_i=1^n\cos\left(\fracx_i\sqrti\right),f(x) = 1 + \sum_i=1^n \fracx_i^24000 - \prod_i=1^ncos(\fracx_i\sqrti), and is usually evaluated on \mjeqnx_i \in [ -600, 600 ]x_i in [-600, 600], for all \mjeqni=1,...,ni=1,...,n. The function has global minima at \mjeqnf(\vecx) = 0f(x) = 0 for \mjeqnx_i=0x_i = 0 for all \mjeqni=1,...,ni=1,...,n.
The value of the function.
griewank1981generalizedEmiR
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