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Bugfix of F2 derivative

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This commit is contained in:
Marcel Kronfeld 2010-08-05 09:36:45 +00:00
parent 16634440b0
commit 57ee6d7dfb
1 changed files with 3 additions and 3 deletions
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6
src/eva2/server/go/problems/F2Problem.java
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@ -60,9 +60,9 @@ public class F2Problem extends AbstractProblemDoubleOffset implements InterfaceL
for (int i = 0; i < dim-1; i++) { for (int i = 0; i < dim-1; i++) {
xi=x[i]-m_XOffSet; xi=x[i]-m_XOffSet;
xii=x[i+1]-m_XOffSet; xii=x[i+1]-m_XOffSet;
result[i] += (-200.*xii+200.*xi+2.*xi-2); result[i] += 400*xi*(xi*xi-xii) + 2*xi-2;
result[i+1] += (200.*xii-200*xi); result[i+1] += -200 * (xi*xi - xii);
} }
return result; return result;
} }