numpy create 2d array code example

Example 1: numpy generate random 2d array

import numpy as np
a=np.random.rand(3,3)
print(a)

Example 2: how to create multidimensional array in python using numpy

from numpy import *
array = array([[1,2,3,4],[3,4,2,5]])

## if want you can print it 
print(array)

Example 3: create a 2d array in python

def build_matrix(rows, cols):
    matrix = []

    for r in range(0, rows):
        matrix.append([0 for c in range(0, cols)])

    return matrix

if __name__ == '__main__':
    build_matrix(6, 10)

Example 4: numpy array get a value from a 2D array

arrayName[rowNumber, columnNumber]