On Monday, August 18, 2014 10:25:15 PM UTC+5:30, Jamie Mitchell wrote: > I forgot to mention that when I try: > a=np.array([[hs_con_sw],[te_con_sw]]) > I get a 3D shape for some reason - (2,1,150) which is not what I'm after. I guess you want a=np.array([hs_con_sw,te_con_sw]) ??