Add examples for visualize module

examples/visualize/custom_function.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+# Created by "Thieu" at 17:03, 24/05/2024 ----------%                                                                               
+#       Email: [email protected]            %                                                    
+#       Github: https://github.com/thieu1995        %                         
+# --------------------------------------------------%
+
+from opfunu import draw_2d, draw_3d
+
+## Define a custom function, for example. I will use mealpy problem as an example
+from mealpy import Problem, FloatVar
+import numpy as np
+
+# Our custom problem class
+class Squared(Problem):
+    def __init__(self, bounds=None, minmax="min", data=None, **kwargs):
+        self.data = data
+        super().__init__(bounds, minmax, **kwargs)
+
+    def obj_func(self, solution):
+        x = self.decode_solution(solution)["my_var"]
+        return np.sum(x ** 2)
+
+bound = FloatVar(lb=(-10., )*20, ub=(10., )*20, name="my_var")
+custom_squared = Squared(bounds=bound, minmax="min", data="Amazing", name="Squared")
+
+## Visualize function using utility function
+draw_2d(custom_squared.obj_func, custom_squared.lb, custom_squared.ub, selected_dims=(2, 3), n_points=300)
+draw_3d(custom_squared.obj_func, custom_squared.lb, custom_squared.ub, selected_dims=(2, 3), n_points=300)

examples/visualize/inside_function.py

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+#!/usr/bin/env python
+# Created by "Thieu" at 16:55, 24/05/2024 ----------%                                                                               
+#       Email: [email protected]            %                                                    
+#       Github: https://github.com/thieu1995        %                         
+# --------------------------------------------------%
+
+from opfunu.cec_based import F12010
+
+# Visualize opfunu function using method in object
+f0 = F12010()
+f0.plot_2d(selected_dims=(2, 3), n_points=300)
+f0.plot_3d(selected_dims=(2, 3), n_points=300)
+
+## Visualize opfunu function using utility function
+from opfunu import draw_2d, draw_3d
+
+draw_2d(f0.evaluate, f0.lb, f0.ub, selected_dims=(2, 3), n_points=300)
+draw_3d(f0.evaluate, f0.lb, f0.ub, selected_dims=(2, 3), n_points=300)