fixing abcd

pykat/utilities/optics/ABCD.py

 import numpy as np
 
 def apply(ABCD, q1, n1, n2):
-    return n2 * (ABCD[0,0] * q1/n1 + ABCD[0,1] / (ABCD[1,0] * q1/n1 + ABCD[1,1]))
+    return n2 * (ABCD[0,0] * q1/n1 + ABCD[0,1]) / (ABCD[1,0] * q1/n1 + ABCD[1,1])
 
 def mirror_trans(n1, n2, Rc):
     return np.matrix([[1,0],[(n2-n1)/Rc,1]])