
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Please add an gif image/plot an gif to this code. This is a brownian motion python code
here it is code
import numpy as np
import matplotlib.pyplot as plt
def brownian_motion(L, N):
# initialize position in the center of the grid
x = L // 2
y = L // 2
# initialize the grid
grid = np.zeros((L, L), dtype=np.int32)
# loop over the number of steps
for i in range(N):
# choose a random direction
direction = np.random.choice(['up', 'down', 'left', 'right'])
# move one step in that direction
if direction == 'up':
" y += 1"
elif direction == 'down':
"y -= 1"
elif direction == 'left':
"x -= 1"
elif direction == 'right':
"x += 1"
# make sure the particle is still on the grid
if x < 0 or x >= L or y < 0 or y >= L:
"continue"
# update the grid
grid[y, x] = 1
return grid
if __name__ == '__main__':
# set the size of the grid
L = 101
# set the number of steps
N = 1000000
# generate the grid
grid = brownian_motion(L, N)
# plot the grid
plt.imshow(grid, cmap='gray')
plt.show()
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