Python

#set up the data we will needed import numpy as np import matplotlib.pyplot as plt W = 5 # walkers X0 = 0 T = 1 #total time dt = .001 #time steps N = int(T/dt) # no of time steps D = 1 np.random.seed(10) t = dt * np.arange(N) dx = np.sqrt(2 * D * dt)*np.random.randn(N,W) x = np.zeros((N,W)) for w in range(W): for i in range(N-1): x[i+1][w] = x[i][w] + dx[i][w] plt.plot(t, x ) plt.show()

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Your code produces the graph of the random walk. What else should it produce?