A New Gradient Approach Based on Reproducing Kernel Applied in Metaheuristic optimization
2022 International Conference on Electrical, Computer and Energy Technologies (ICECET)(2022)
摘要
This work introduces the kernel based gradient evolution optimization method where the concept of a reproducing kernel is incorporated for the first time as an efficient alternative to estimate the numerical gradient as part of the approximating solution rule. The presented algorithm searches for a feasible solution by means of a swarm and involves three principal stages: the updating rule, exploration (jumping) and refreshing. The steepest descent direction is determined using the kernel gradient estimation with a local Taylor series expansion. Twelve test functions were tested as a means of evaluating the performance of the introduced optimization method. Then, a comparison among some state-of-art methods was carried out. According to numerical results, the proposed method significantly outperforms five other well-known algorithms in most test functions.
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关键词
optimization,new gradient approach,reproducing kernel
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