Implementation and Evaluation of CMA-ES Algorithm
Gagganapalli, Srikanth Reddy
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Over recent years, Evolutionary Algorithms have emerged as a practical approach to solve hard optimization problems in the fields of Science and Technology. The inherent advantage of EA over other types of numerical optimization methods lies in the fact that they require very little or no prior knowledge regarding differentiability or continuity of the objective function. The inspiration to learn evolutionary processes and emulate them on computer comes from varied directions, the most pertinent of which is the field of optimization. In most applications of EAs, computational complexity is a prohibiting factor. This computational complexity is due to number of fitness evaluations. This paper presents one such Evolutionary Algorithm known as Covariance Matrix Adaption Evolution Strategies (CMA ES) developed by Nikolaus Hansen, We implemented and evaluated its performance on benchmark problems aiming for least number of fitness evaluations and prove that the CMA-ES algorithm is efficient in solving optimization problems.