def analitMihailovDis():
    y = ([], [])
    for i in map(lambda x: x / 100.0, range(0, 314)):
        yy = exp(3 * i * 1j) - 2.887 * exp(2 * i * 1j) + 2.775 * exp(i * 1j) - 0.89
        y[0].append(yy.real)
        y[1].append(yy.imag)
    plot(y[0], y[1])
    title('Godograf Mihailova')
    xlabel('t, s.')
    ylabel('y(t)')
    grid(color='g', linestyle='--')
    show()