5 Best Ways To Take Matrix Input From User In Python

Leo Migdal

-Nov 18, 2025, 9:17 PM

5 best ways to take matrix input from user in python

💡 Problem Formulation: In many programming scenarios, it’s essential to collect matrix data directly from the user. This data can represent anything from game boards to scientific data sets. The challenge is to capture this input in Python in a way that is both convenient for the user and suitable for further processing. Each method discussed aims at simplifying this task, illustrating how a user can input a 2D matrix – for instance, a 3×3 matrix with elements provided row by row. The nested loop method involves prompting the user to input each element of the matrix one by one. This approach is straightforward and easy to implement, using two nested loops: the outer loop iterates through rows, and the inner loop iterates through columns.

♥️ Info: Are you AI curious but you still have to create real impactful projects? Join our official AI builder club on Skool (only $5): SHIP! - One Project Per Month This code snippet first takes the number of rows and columns from the user, then iterates through each position asking for the individual elements. Ultimately, the matrix is printed row-wise. It is effective but can be tedious for the user if many elements are needed.

List comprehensions provide a more concise way to create lists in Python and can be used to take matrix input in a more compact form without the need for nested loops. This method is a single-liner solution to gather inputs for rows and columns. Matrix is nothing but a rectangular arrangement of data or numbers. In other words, it is a rectangular array of data or numbers. The horizontal entries in a matrix are called as 'rows' while the vertical entries are called as 'columns'. If a matrix has r number of rows and c number of columns then the order of matrix is given by r x c.

Each entries in a matrix can be integer values, or floating values, or even it can be complex numbers. In Python, we can take a user input matrix in different ways. Some of the methods for user input matrix in Python are shown below: Time complexity: O(RC)Auxiliary space: O(RC) Code #2: Using map() function and Numpy. In Python, there exists a popular library called NumPy.

This library is a fundamental library for any scientific computation. It is also used for multidimensional arrays and as we know matrix is a rectangular array, we will use this library for user input matrix. Time complexity: O(RC), as the code iterates through RC elements to create the matrix.Auxiliary space: O(RC), as the code creates an RC sized matrix to store the entries. Communities for your favorite technologies. Explore all Collectives Ask questions, find answers and collaborate at work with Stack Overflow Internal.

Ask questions, find answers and collaborate at work with Stack Overflow Internal. Explore Teams Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. A matrix is a rectangular array or table of numbers arranged in rows and columns, these numbers are called elements or entries of the matrix. The horizontal entries of the matrix are called rows and vertical entries are known as columns.

Suppose a matrix has m rows and n columns then we can say that this matrix is of order mxn. The following is the example of a 3×4 matrix – In this article, I will show you the Python program to take matrix input from the user and print it to standard output. The following program shows how to take input of matrix element for a user and print it in the terminal – Save the program with .py extension and run using the given command – In this tutorial, we are going to learn how to take matric input in Python from the user.

We can take input from the user in two different ways. Let's see two of them. Taking all numbers of the matric one by one from the user. See the code below. If you run the above code, then you will get the following result. Taking one row at a time with space-separated values.

And converting each of them to using map and int function. See the code. If you run the above code, then you will get the following result. A matrix is a way to organize numbers in a rectangular grid made up of rows and columns. We can assume it like a table, where: The size of a matrix is defined by the number of rows (m) and columns (n).

If a matrix has 3 rows and 4 columns, it's called a 3x4 matrix. In this tutorial, we’ll explore different ways to create and work with matrices in Python, including using the NumPy library for matrix operations. A Matrix is fundamentally a 2D list therefore we can create a Matrix by creating a 2D list (list of lists). In this example we are going to take user inputs for rows and columns for the matrix and then print the complete matrix.

5 Best Ways To Take Matrix Input From User In Python

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