Generate two plots

compressed_sensing.py

+import numpy as np
+import matplotlib.pyplot as plt
+
+
+def sample_two_sins(f1, f2, sample_times):
+    sample_rads = 2 * np.pi * sample_times
+    return np.sin(f1 * sample_rads) + np.sin(f2 * sample_rads)
+
+if __name__ == "__main__":
+    f1 = 697 # Hz
+    f2 = 1209 # Hz
+
+    sample_period = 0.01
+    n_samples = 1000
+    sample_times = (sample_period / n_samples) * np.arange(n_samples)
+    sample_values = sample_two_sins(f1, f2, sample_times)
+    fig, ax = plt.subplots()
+    ax.plot(sample_times, sample_values)
+
+    sample_period = 0.02
+    n_samples = 1000
+    sample_times = (sample_period / n_samples) * np.arange(n_samples)
+    sample_values = sample_two_sins(f1, f2, sample_times)
+    fig2, ax2 = plt.subplots()
+    ax2.plot(sample_times, sample_values)
+
+    plt.figure(fig.number)
+    plt.savefig("test.png")
+    plt.figure(fig2.number)
+    plt.savefig("test2.png")