Python >= 3.5 alternative: [*l1, *l2] Another alternative has been introduced via the acceptance of PEP 448 which deserves mentioning.

I wasn't able to merge them correctly. I've got a 3d array (time,long,lat) containing my calculated value for each day. What I like to do is to merge all the arrays I've got into one big array before …

Apr 22, 2017 · I got i filling that i missing something. First of all my loop i extremely slow. Secondly my data is quite have i got more than 2 mlns rows to loop. So I tried to find faster way for …

@ChristianDean Indeed, and I'm doing my small part to reverse that trend. ;) It may seem a little pedantic, but when there are two built-in array-like types (lists and tuples), the arrays of the …

Since you use numpy, I doubt that bisec helps you at all... So instead I would suggest two smaller things: Do not use np.sort, use c.sort() method instead which sorts the array in place and …

Oct 4, 2015 · I'm not asking about the easy merging of array like c = a+b (which would yield [1,2,3,4,5,6]. What I am looking for is to join the contents of two arrays, so that the end-result …

I want to merge two arrays in python 2.7 using 'for loop' given: from array import * ary_1 = array ('i',[11,12,13]) ary_2 = array ('i',[14,15,16]) ary_3 = array ('i') should give the output on ary_3 …

Slightly different problem, that is if you want two 1D array with shape (n,) into (2,n), then you have the following options: import numpy as np np.r_[[a], [a]] np.stack([a, a]) np.vstack([a, a]) …

Nov 14, 2014 · I have two sets/arrays/lists of the form a = [(12, 14, 0.3, 0.6, 0.8), (16, 18, 0.4, 0.5, 0.3), (19, 22, 0.4, 0.5, 0.3)] b = [(12, 14, 44, 12), (5, 4, 66, 12), (19 ...

Sep 6, 2021 · How to merge two arrays as value-pairs in python? Example as follows: A = [0,2,2,3] B = [1,1,4,4] Output: [[0,1],[2,1],[2,4],[3,4]]