i am new in python and have a basic question:
I have three lists :
a = [1, 2, 3]
b = [2, 4, 5]
c = [5, 7, 8]
What i want is an array that looks something like :
x = np.array([1,2,5],[2,4,7],[5,7,8])
is there some on-line python trick to do this?
np.vstack((np.array([1,2,3]), np.array([1,2,3]), np.array([1,2,3])))
or even simpler
np.vstack(([1,2,3], [1,2,3], [1,2,3]))
Another simple way is using .T which transposes the matrix.
import numpy as np
a = [1, 2, 3]
b = [2, 4, 5]
c = [5, 7, 8]
np.array([a,b,c]).T
array([[1, 2, 5],
[2, 4, 7],
[3, 5, 8]])
np.array([a,b,c]), but didn't know that we can use .T to find the transpose of it :) thank you for sharing the trick
Try zip(a, b, c), e.g, x = np.array(*zip(a, b, c)) Official Docs
vstack shown by Matti, instead of using the built-in zip.
