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• Fix p value in F10 and F17 of CEC-2017
• Add plot_latex to Benchmark class.
• User can use draw_latex from opfunu to draw their latex equation.
• Update examples for draw latex function

• Optimized katsuura_func performance, at 1M ndim > 80x speedup
• Add plot_2d, plot_3d to Benchmark class.
• User can use draw_2d, draw_3d from opfunu to draw their function.
• Add tutorial on how to integrate with other optimization frameworks like Mealpy, Opytimizer, Niapy
• Update examples and update documentations
• Update citation and paper (Got published at Journal of Open Research Software)

• Fix modified_schwefel_func() in operator.py
• Fix Mishra07 function that has no method factorial
• Fix Dolan function has wrong default dim
• Fix ndim property in Benchmark class
• Fix typo pi function in OddSquare class
• Fix LennardJones class with specified ndim
• Fix CEC2021 F2 has abnormal optimal value
• Fix bug in F8 function CEC2020
• Update docs
• Update README and workflows.

• Add all normal functions in name_based module (From A to Z)
• Fix bug exit() program
• Delete all old CEC module
• Delete type_based module
• Delete dimension_based module
• Delete mealpy dependency
• Update docs, examples and tests

• Refactoring project with 1 abstract class: Benchmark
• Two sub-packages: name_based and cec_based
• In name_based package contains all letter modules in order of the alphabet
• In cec_based package contains all CEC competition modules from years: 2005, 2008, 2010, 2013, 2014, 2015, 2017, 2019, 2020, 2021, 2022

Added CEC 2020 engineering problems (Constrained optimization)

Update license and requirements

Update several CEC functions.

Fix CEC-2014 no-bias

Added CEC-2014 no bias