{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "a4654478",
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import matplotlib.pyplot as plt\n",
    "import numpy as np\n",
    "\n",
    "data = pd.read_csv('result.dat', sep=r'\\s+', header=None)\n",
    "\n",
    "n_cols = data.shape[1]\n",
    "print(f\"Загружено {n_cols} столбцов.\")\n",
    "\n",
    "if n_cols < 3:\n",
    "    raise ValueError(\"Недостаточно столбцов (ожидалось минимум: t, φ, I_L)\")\n",
    "\n",
    "time = data[0]\n",
    "\n",
    "num_phi = n_cols - 2\n",
    "print(f\"Обнаружено {num_phi} узлов φ.\")\n",
    "\n",
    "phi_cols = list(range(1, 1 + num_phi))\n",
    "\n",
    "colors = plt.cm.tab10(np.linspace(0, 1, 10))\n",
    "\n",
    "# ---------------------------------------------------------\n",
    "# Графики φ₁…φ_N\n",
    "# ---------------------------------------------------------\n",
    "for idx, col in enumerate(phi_cols, start=1):\n",
    "    label = f'$\\\\phi_{idx}, В$'\n",
    "\n",
    "    fig, ax = plt.subplots(figsize=(8, 4))\n",
    "\n",
    "    ax.plot(time, data[col],\n",
    "            color=colors[idx % len(colors)],\n",
    "            linewidth=1.8,\n",
    "            label=label)\n",
    "\n",
    "    ax.set_xlabel('$t$, с', fontsize=12)\n",
    "    ax.set_ylabel(label, fontsize=12)\n",
    "    ax.grid(True, linestyle='--', linewidth=0.5, alpha=0.7)\n",
    "\n",
    "    fig.tight_layout()\n",
    "    #fig.savefig(f\"program-{idx}.png\", dpi=300)\n",
    "    plt.show()\n",
    "\n",
    "# ---------------------------------------------------------\n",
    "# График тока I_L\n",
    "# ---------------------------------------------------------\n",
    "iL_col = n_cols - 1\n",
    "\n",
    "fig, ax = plt.subplots(figsize=(8, 4))\n",
    "\n",
    "ax.plot(time, data[iL_col],\n",
    "        color='black',\n",
    "        linewidth=1.8,\n",
    "        label='$I_L$')\n",
    "\n",
    "ax.set_xlabel('$t$, с', fontsize=12)\n",
    "ax.set_ylabel('$I_L$, A', fontsize=12)\n",
    "ax.grid(True, linestyle='--', linewidth=0.5, alpha=0.7)\n",
    "\n",
    "fig.tight_layout()\n",
    "#fig.savefig(\"program-IL.png\", dpi=300)\n",
    "plt.show()\n"
   ]
  }
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