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cec2020: implement Griewank func
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This commit is contained in:
leo 2023-02-05 00:05:53 +01:00
parent ce1b587b22
commit 6b20fc8ea5
Signed by: wanderer
SSH Key Fingerprint: SHA256:Dp8+iwKHSlrMEHzE3bJnPng70I7LEsa3IJXRH/U+idQ
1 changed files with 13 additions and 1 deletions
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14
bench/cec2020/basicFunctions.go
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@ -19,7 +19,19 @@ func HGBat(x []float64) float64 { return 0 }
func Rosenbrock(x []float64) float64 { return 0 } func Rosenbrock(x []float64) float64 { return 0 }
// Griewank is the "Griewank's Function" of CEC2020. // Griewank is the "Griewank's Function" of CEC2020.
func Griewank(x []float64) float64 { return 0 } // ref: https://www.sfu.ca/~ssurjano/griewank.html
func Griewank(x []float64) float64 {
var sum float64
var prod float64
for i := range x {
sum += math.Pow(x[i], 2) / 4000
prod -= math.Cos(x[i] / math.Sqrt(float64(i)))
}
return sum - prod + 1
}
// Ackley is the "Ackley's Function" of CEC2020. // Ackley is the "Ackley's Function" of CEC2020.
func Ackley(x []float64) float64 { return 0 } func Ackley(x []float64) float64 { return 0 }