Finish special algo and add write to file and plot

src/analyticPlot.py

@@ -0,0 +1,17 @@
+import numpy as np 
+import matplotlib.pyplot as plt
+
+x = []
+y = []
+v = []
+with open('testdata.txt') as f:
+    for line in f:
+        a, b, c = line.strip().split()
+        x.append(float(a))
+        # y.append(float(b))
+        v.append(float(c))
+
+fig, ax = plt.subplots()
+ax.plot(x, v)
+plt.show()
+# plt.savefig("main.png")