updated code for distribution plot

docs/quickstart.ipynb

@@ -72,7 +72,7 @@
        "$$\\begin{array}{cccc}\\text{Problem:} & \\text{qubo} & & \\\\& & \\min \\quad \\displaystyle \\sum_{i = 0}^{n - 1} \\sum_{j = 0}^{n - 1} Q_{i, j} \\cdot x_{i} \\cdot x_{j} & \\\\\\text{{where}} & & & \\\\& x & 1\\text{-dim binary variable}\\\\\\end{array}$$"
       ],
       "text/plain": [
-       "<jijmodeling.Problem at 0x10961b6b0>"
+       "<jijmodeling.Problem at 0x1186dfb60>"
       ]
      },
      "execution_count": 2,
@@ -282,7 +282,7 @@
     {
      "data": {
       "text/plain": [
-       "{'001': 241, '000': 613, '100': 105, '101': 34, '111': 1, '010': 6}"
+       "{'000': 622, '100': 107, '010': 8, '001': 226, '101': 35, '011': 1, '111': 1}"
       ]
      },
      "execution_count": 9,
@@ -332,22 +332,15 @@
     "sampleset = qaoa_converter.decode(qk_transpiler, job_result.data[\"meas\"])\n",
     "\n",
     "# Initialize a dictionary to accumulate occurrences for each energy value\n",
-    "energy_dict = defaultdict(int)\n",
+    "frequencies = defaultdict(int)\n",
     "\n",
     "# Define the precision to which you want to round the energy values\n",
-    "precision = 3  # You can adjust this value as needed\n",
-    "\n",
     "for sample in sampleset:\n",
-    "    energy = round(sample.eval.objective, precision)  \n",
-    "    occurrences = sample.num_occurrences\n",
-    "    energy_dict[energy] += occurrences\n",
-    "\n",
-    "# Unpack the dictionary into lists of energies and their corresponding total occurrences\n",
-    "energies = list(energy_dict.keys())\n",
-    "total_occurrences = list(energy_dict.values())\n",
+    "    energy = round(sample.eval.objective, ndigits = 3)  \n",
+    "    frequencies[energy] += sample.num_occurrences\n",
     "\n",
-    "plt.bar(energies, total_occurrences, width=0.05)\n",
-    "plt.xlabel('Energy')\n",
+    "plt.bar(frequencies.keys(), frequencies.values(), width=0.05)\n",
+    "plt.xlabel('Objective')\n",
     "plt.ylabel('Frequency')\n",
     "plt.show()\n"
    ]