Update notebook

jMetal · Nov 28, 2024 · 734d135 · 734d135
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diff --git a/notebooks/NSGA-II solving multiobjective TSP.ipynb b/notebooks/NSGA-II solving multiobjective TSP.ipynb
@@ -99,6 +99,43 @@
     "xlabel!(\"First objective\")\n",
     "ylabel!(\"Second objective\")"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "c22b5bb7",
+   "metadata": {},
+   "source": [
+    "## Standard NSGA-II configured with custom settings and an observer"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "2193fe0c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "solver::NSGAII = NSGAII(\n",
+    "  problem,\n",
+    "  populationSize = 100, \n",
+    "  termination = TerminationByEvaluations(125000),\n",
+    "  crossover = PMXCrossover(probability = 0.9),\n",
+    "  mutation = PermutationSwapMutation(probability = 0.2))\n",
+    "\n",
+    "observer = EvaluationObserver(10000)\n",
+    "register!(observable(solver), observer)\n",
+    "\n",
+    "optimize!(solver)\n",
+    "\n",
+    "x = [solution.objectives[1] for solution in foundSolutions(solver)];\n",
+    "y = [solution.objectives[2] for solution in foundSolutions(solver)];\n",
+    " \n",
+    "gr();\n",
+    " \n",
+    "scatter(x, y,  title = \"Pareto front approximation\", label = \"Solutions\")\n",
+    "xlabel!(\"First objective\")\n",
+    "ylabel!(\"Second objective\")"
+   ]
   }
  ],
  "metadata": {