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F8 now sticks to the xoffset like f1

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Michael de Paly 2009-09-09 12:47:30 +00:00
parent 1a06c41995
commit 1ae819f769
1 changed files with 2 additions and 2 deletions
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src/eva2/server/go/problems/F8Problem.java
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@ -41,8 +41,8 @@ public class F8Problem extends F1Problem implements InterfaceMultimodalProblem,
double sum1 = 0, sum2 = 0, exp1, exp2; double sum1 = 0, sum2 = 0, exp1, exp2;
for (int i = 0; i < x.length; i++) { for (int i = 0; i < x.length; i++) {
sum1 += (x[i])*(x[i]); sum1 += (x[i] - this.m_XOffSet)*(x[i] - this.m_XOffSet);
sum2 += Math.cos(c * (x[i])); sum2 += Math.cos(c * (x[i] - this.m_XOffSet));
} }
exp1 = -b*Math.sqrt(sum1/(double)this.m_ProblemDimension); exp1 = -b*Math.sqrt(sum1/(double)this.m_ProblemDimension);
exp2 = sum2/(double)this.m_ProblemDimension; exp2 = sum2/(double)this.m_ProblemDimension;