The Drop-Wave function is multimodal and highly complex. The second plot above shows the function on a smaller input domain, to illustrate its characteristic features.
Input Domain:The function is usually evaluated on the square xi ∈ [-5.12, 5.12], for all i = 1, 2.
Global Optimization Test Functions Index. Retrieved June 2013, from http://infinity77.net/global_optimization/test_functions.html#test-functions-index.
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