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How to Add Two Matrices in Terminal using Python

Submitted by razormist on Thursday, March 6, 2025 - 23:42.

In this tutorial, we’ll learn how to program “How to Add Two Matrices in the Terminal Using Python.” The objective is to safely add two matrices in a list. This tutorial will guide you through the process step by step to identify matrices that can be added together. So, let’s get started!

This topic is straightforward to understand. Just follow the instructions I provide, and you’ll complete it with ease. The program I’ll demonstrate will illustrate the proper way to add two matrices. So, let’s dive into the coding process!

Getting Started:

First you will have to download & install the Python IDLE's, here's the link for the Integrated Development And Learning Environment for Python https://www.python.org/downloads/.

Creating Main Function

This is the main function of the application. The following code will display a simple GUI in terminal console that will display program. To do this, simply copy and paste these blocks of code into the IDLE text editor.
  1. a = [[5, 10, 5], [12, 13, 11], [9, 8, 7]]
  2. b = [[15, 10, 9], [8, 7, 5], [9, 8, 8]]
  3.  
  4. res = [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
  5.  
  6.  
  7. while True:
  8.     print("\n================= Add Two Matrices =================\n\n")
  9.  
  10.     print("Matrix A: ", a)
  11.     print("Matrix B: ", b)
  12.     print("\n")
  13.     for i in range(len(a)):
  14.         for j in range(len(a[0])):
  15.             res[i][j] = a[i][j] + b[i][j]
  16.  
  17.     for r in res:
  18.         print(r)
  19.  
  20.     opt = input("\nDo you want to try again?(yes/no): ")
  21.  
  22.     if opt.lower() == 'yes':
  23.             ret=False
  24.     elif opt.lower() == 'no':
  25.             ret=True
  26.             print("Exiting program....")
  27.     else:
  28.             print("Please enter yes/no:")
  29.             break
  30.  
  31.     if ret == False:
  32.             continue

This program adds two matrices (A and B) element by element and prints the resulting matrix. It iterates through each position in the matrices, performs the addition, and stores the sum in a result matrix. The user can choose to repeat the process or exit the program.

Output:

There you have it we successfully created How to Add Two Matrices in Terminal using Python. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

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