plot_laba.py

def plot_laba():
    x = table_0.values[:, 0]
    y = table_0.values[:, 3]
    k = table_0.values[0, 3]
    b = 0
    dx = np.zeros(len(table_0.values))
    dy = table_0.values[:, 5]

    plt.figure(figsize=(15,6))
    plt.grid(linestyle='--')
    plt.title('Зависимость $v$ от $n$', fontweight='bold')
    plt.ylabel('$v, \quad Гц$')
    plt.xlabel('$n$')

    plt.scatter(x, y)
    plt.plot(x, k * x + b)
    plt.errorbar(x, y, xerr=dx, yerr=dy, fmt='o')

    plt.show()