small bug fixed

PSD/complex_current_and_nodes_test.py

+from __future__ import division
 import numpy as np
 import complex_current_and_nodes as ccn
 from scipy.optimize import root
@@ -44,7 +45,7 @@ if __name__ == "__main__":
     # define system of gde
     rhs = ccn.define_network_rhs(node_list,Y)
     # define system of algebraic equations for usage in root (fixed point) finding algorithm
-    root_rhs = ccn.define_root_rhs_omega(len(node_list), rhs) # omega
+    root_rhs = ccn.define_root_rhs_omega(node_list, rhs) # omega
     # find fixed point using scipy.root
     # Attention! For these systems the .success flag fails to accurately reflect the algorithms success use instead:
     # the indicator used here.
@@ -68,7 +69,7 @@ if __name__ == "__main__":
     # perturb system to
     # - check stability of fixed point (i.e. see if it will return to fixed point)
     # - check dynamic behaviour of Nodes (i.e. check for error in calculations or bug in code)
-    perturbation = (np.random.rand(len(node_list) * 3) - 0.5 ) / 100 * 0
+    perturbation = (np.random.rand(len(node_list) * 3) - 0.5 ) / 10
     print('\nCausing perturbation:\n{}'.format(perturbation))
 
     # solve system dynamics