Artificial Intelligence, Numerical Analysis, Optimization, Python Programming, Statistics.
fun(b), 'go', label='f(b)') # Plot the x-axis line plt.axhline(linewidth=2, y=0, color='brown', linestyle='dashdot') plt.axhline(y=fun(a), color='blue', linestyle='dashdot') plt.axhline(y=fun(b), color='blue', linestyle='dashdot') plt.legend() plt.grid() # Update the plot and display it