The Schaffers F7 function. It is not intended for this function to be
used directly since the BBOB test suite applies additional transformations
to the test functions.
Properties:
Highly multimodal (frequency and amplitude of modulation vary)
Asymmetric
Rotated
Low conditioning
Field Summary
Fields inherited from class org.moeaframework.problem.AbstractProblem
Evaluates the solution, updating the solution's objectives in place.
Algorithms must explicitly call this method when appropriate to evaluate
new solutions or reevaluate modified solutions.