Created
February 25, 2015 08:42
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Show that the result of summing two periodic signals is periodic
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| %matplotlib inline | |
| import matplotlib.pyplot as plt | |
| import numpy as np, math | |
| """Define the periodic function""" | |
| def f(t): | |
| return math.cos(2 * math.pi * t) + 0.5 * math.cos( 4 * math.pi * t) | |
| """Define inputs, find outputs and plot graph""" | |
| inputs = np.linspace(-2, 2, 100) | |
| outputs = [f(input) for input in inputs] | |
| plt.plot(inputs, outputs) |
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