[Tutor] finding a maximum between the absolute difference of several columns

[Andre' Walker-Loud]

> import numpy as np
>> Vhel_fdiff3 = np.array([abs(Vmatch3_1 - Vmatch3_2), abs(Vmatch3_1 -
>> Vmatch3_3), abs(Vmatch3_3 - Vmatch3_2)])
>> your_answer = Vhel_fdiff3.max(axis=0)
> 
> or
> 
> import numpy as np
> a = np.array([Vmatch3_1-Vmatch3_2, Vmatch3_1-Vmatch3_3, Vmatch3_3-
> Vmatch3_2])
> print np.max(np.abs(a), axis=0)

yes, this one is better than mine.  It is more flexible, leaving more options for what you may want to do with it afterwards,


andre