emergency_response

gistfile1.txt

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D

# Constants
x1, x2, y1, y2 = 1, 3, 2, 4

# Grid of x, y points
x = np.linspace(0, 5, 400)
y = np.linspace(0, 5, 400)
X, Y = np.meshgrid(x, y)
Z = np.maximum(np.abs(X - x1) + np.abs(X - x2), np.abs(Y - y1) + np.abs(Y - y2))

# Plot
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.plot_surface(X, Y, Z, cmap='viridis')

# Labels
ax.set_xlabel('X coordinate')
ax.set_ylabel('Y coordinate')
ax.set_zlabel('Z value')

plt.show()

Angie shared graphical solution of the emergency response (last page from L19. Linear programming I ) to Cathy who asked to share the diagram.