added script to analyze AIMD

tools/plots/plot_aimd.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import sys
+import matplotlib as mpl
+import numpy as np
+import matplotlib.pyplot as plt
+
+def read_datafile(file_name):
+    # the skiprows keyword is for heading, but I don't know if trailing lines
+    # can be specified
+    data = np.loadtxt(file_name, delimiter='\t', skiprows=1)
+    return data
+
+filename = sys.argv[1]
+
+data = read_datafile(filename)
+
+print(data[:,0])
+
+fig, ax1 = plt.subplots()
+ax1.plot(data[:,0], data[:,1])
+
+ax2 = ax1.twinx()
+ax2.plot(data[:,0], data[:,2], c='red')
+
+fig.tight_layout()
+plt.show()