correct intro and theory, add setup

data/theory/mktheory.py

@@ -1,4 +1,5 @@
 import matplotlib.pyplot as plt
+import matplotlib.ticker as mpt
 import matplotlib.cm as cm
 import numpy as np
 import wafer
@@ -118,7 +119,7 @@ def gen_48i_theory():
 def gen_1v8_theory():
     rpara = 75000
     rseri = 2*4700
-    xdata = np.arange(0, 256, 4)
+    xdata = np.arange(0, 256, 4, dtype=int)
     ydata = (xdata / 256 * 10000)
     ydata = ydata * rpara / (ydata + rpara) + rseri
     ydata = 30100 / (ydata + 6490) * .7 + .7
@@ -138,10 +139,13 @@ def gen_1v8_theory():
     vtt.unc_tolatex(vps[2], None, 'theo.tex', name="a")
     vtt.unc_tolatex(vps[3], None, 'theo.tex', name="c")
 
+    plt.gca().xaxis.set_major_formatter(mpt.FuncFormatter(
+        lambda v, x: '0x{:02x}'.format(int(v))
+    ))
     plt.xlabel("Potentiometer Setting P$_{val}$")
-    plt.ylabel("V$_{1.8V out}$")
+    plt.ylabel("V$_{MONITOR\_1V8}$ / V")
 
-    plt.savefig('v18.pdf')
+    plt.savefig('v18.pdf', transparent=True)
 
 
 if __name__ == "__main__":