append a vector to a matrix numpy code example

Example 1: numpy append number to array

import numpy as np
a = np.array([1, 2, 3])
newArray = np.append(a, [10, 11, 12])

Example 2: append vector to vector python

Xa = ['a1','a2','a3']
Xb = ['b1','b2','b3']
Xc = ['c1','b2','b3']

resultArray = []
resultArray.append(Xa)
resultArray.append(Xb)
resultArray.append(Xc)