Update week3/random_walker.py, week3/README.MD

week3/README.MD

@@ -4,4 +4,4 @@
 
 Code is [here](random_walker.py).
 
-![](img/random_walker.jpg)
+![](random_walker.jpg)

week3/random_walker.py

@@ -22,7 +22,6 @@ def build_LFSR(seed, bits_needed=1000):
 walker_states = np.zeros((10, 1000))
 
 # create our seeds by grabbing a 16 bit number from the LSB of the current time in us
-# cheating and just adding a fixed delay to get different seeds
 seeds = []
 for i in range(10):
     delay = .1
@@ -41,7 +40,7 @@ timestep = np.array(range(1000))
 import matplotlib.pyplot as plt
 plt.plot(walker_states.T) # transpose it so we can plot it
 
-# for the 3 sigma lines, we will plot the sqrt of the timestep and divide the result by 1.5 to plot above and below the mean (0)
+# for the 3 sigma lines, we will multiply the sqrt of the timestep and divide the result by 1.5 to plot above and below the mean (0)
 plt.plot(timestep, 1.5 * np.sqrt(timestep), color='black', alpha = 0.25)
 plt.plot(timestep, -1.5 * np.sqrt(timestep), color='black', alpha = 0.25)
 plt.show()