The following code:
x = np.linspace(-5,5,1000) y_tanh = np.tanh(x) plt.plot(x, y_tanh, label='tanh(x)') # Set title and legend, then show plot plt.title('The hyperbolic tangent function') plt.legend() plt.xlabel('x') plt.ylabel('f(x)') plt.show()
produces the figure: