| import numpy as np | |
| import matplotlib.pyplot as plt | |
| # ── Parameters ───────────────────────────────────────────────────────────── | |
| seed = 2901 | |
| n_points = 145 | |
| # ── Data ──────────────────────────────────────────────────────────────────── | |
| x = np.linspace(0.0, 2.0 * np.pi, n_points) | |
| y0 = 1.155640 * np.sin(1.302779 * x + 4.981734) | |
| y1 = 0.911540 * np.sin(2.947745 * x + 2.938028) | |
| y2 = 0.859045 * np.sin(1.454283 * x + 4.031508) | |
| # ── Plot ──────────────────────────────────────────────────────────────────── | |
| fig, ax = plt.subplots(figsize=(7, 4)) | |
| ax.plot(x, y0, color="tab:blue", label="A=1.16, f=1.30, φ=4.98") | |
| ax.plot(x, y1, color="tab:orange", label="A=0.91, f=2.95, φ=2.94") | |
| ax.plot(x, y2, color="tab:green", label="A=0.86, f=1.45, φ=4.03") | |
| ax.set_xlabel("x") | |
| ax.set_ylabel("y") | |
| ax.set_title("Sinusoidal Line Plot (3 curve(s))") | |
| ax.legend(fontsize=8) | |
| ax.grid(True, alpha=0.3) | |
| fig.tight_layout() | |
| plt.show() | |