MATLAB: vs = [v1 v2 v3 v4] ここでv1..v4は列ベクトル > Numpy実装

動作環境

GeForce GTX 1070 (8GB)
ASRock Z170M Pro4S [Intel Z170chipset]
Ubuntu 16.04 LTS desktop amd64
TensorFlow v1.2.1
cuDNN v5.1 for Linux
CUDA v8.0
Python 3.5.2
IPython 6.0.0 -- An enhanced Interactive Python.
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
GNU bash, version 4.3.48(1)-release (x86_64-pc-linux-gnu)
scipy v0.19.1
geopandas v0.3.0
MATLAB R2017b (Home Edition)

MATLAB

K>> wv1 = [3; 1; 4]

wv1 =

     3
     1
     4

K>> wv2 = [1; 5; 9];
K>> wv3 = [2; 6; 5];
K>> wv4 = [3; 5; 8];
K>> wvs = [wv1 wv2 wv3 wv4]

wvs =

     3     1     2     3
     1     5     6     5
     4     9     5     8

Numpy 実装

test_array_add_171125.py

import numpy as np


def add_to_array_vertical(vlist):
    ret = np.transpose(vlist).reshape(len(vlist[0]), len(vlist))
    return ret

v1 = np.array([3, 1, 4])
v2 = np.array([1, 5, 9])
v3 = np.array([2, 6, 5])
v4 = np.array([3, 5, 8])

res = add_to_array_vertical([v1, v2, v3, v4])
print(res)

run

$ python3 test_array_add_171125.py 
[[3 1 2 3]
 [1 5 6 5]
 [4 9 5 8]]