R-Matrix

69 posts

Last Updated: 15 October 2026

Given a matrix mat[] of size n * n such that it has only one 0, Find the positive number (greater than zero) to be placed in place of the 0 such that sum of the numbers in...read more

DSA

R-Matrix

Power of a 2 x 2 Binary Matrix

Last Updated: 02 October 2026

Given a 2 × 2 matrix: A = [[1, 1], [1, 0]] and an integer n. Compute the matrix An. Return the value of the element at position A[1][0] (i.e., second row, first column) mo...read more

DSA

R-Matrix

Reverse Order of Rows of a Matrix

Last Updated: 19 September 2026

Given a matrix mat[][] of size n × m, reverse the order of its rows in-place. After the operation, the first row should become the last row, the second row should become ...read more

DSA

Arrays

R-Matrix

Sum of Submatrix Elements

Last Updated: 21 September 2026

Given a matrix arr[][] of size n * m and four integers x1, y1, x2, and y2 representing the top-left and bottom-right corners of a submatrix (using 1-based indexing), find ...read more

DSA

Arrays

R-Matrix

Transporting Sparse Matrix from Python to R

Last Updated: 23 July 2025

The Sparse matrices are matrices that are predominantly composed of the zero values. They are essential in data science and scientific computing where memory and performan...read more

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R Language

R-Matrix

How to find missing values in a matrix in R

Last Updated: 23 July 2025

In this article, we will examine various methods for finding missing values in a matrix by using R Programming Language.What are missing values?The data points in a datase...read more

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R Language

R-Matrix

How to find number of rows and columns in a matrix in R

Last Updated: 23 July 2025

In this article, we will see how to return the total number of rows and columns in a matrix in R Programming Language. What is Matrix?InR programming, Matrix is a two-dime...read more

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R Language

R-Matrix

How to find length of matrix in R

Last Updated: 23 July 2025

In this article, we will examine various methods to find the length of a matrix by using R Programming Language.What is a matrix?A matrix is a two-dimensional data structu...read more

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R Language

R-Matrix

How to create a matrix in R

Last Updated: 23 July 2025

In this article, we will discuss What is a matrix and various methods to create a matrix by using R Programming Language.What is a matrix?A matrix is a two-dimensional dat...read more

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R Language

R-Matrix

How to find the rank of a matrix in R

Last Updated: 23 July 2025

A matrix is an arrangement of data in a row- and column-wise fashion or a matrix is nothing but a set of particular kinds of data like numbers. It has many applications in...read more

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R Language

R-Matrix

Convert a matrix into a lower triangular matrix using R

Last Updated: 23 July 2025

In this article, we will explore various methods to convert a matrix into a lower triangular matrix in R programming language. What is a matrix?A matrix is a two-dimension...read more

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R Language

R-Matrix

Convert a vector into a diagonal matrix in R

Last Updated: 23 July 2025

In this article, we will examine various methods to convert a vector into a diagonal matrix by using R Programming Language.What is a diagonal matrix?A diagonal matrix is ...read more

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R Language

R-Matrix

Append a row to a matrix using R

Last Updated: 23 July 2025

In this article, we will examine various methods to append a row into a matrix in the R Programming Language.What is a matrix?A matrix is a two-dimensional data set, which...read more

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R Language

R-Matrix

Merge two matrices by row names in R

Last Updated: 23 July 2025

In this article, we will examine various methods to merge two matrices by row names in the R programming language.What is a matrix?A matrix is defined as it is a two-dimen...read more

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R Language

R-Matrix

Extract unique rows from a matrix using R

Last Updated: 23 July 2025

A matrix is a rectangular representation of elements that are put in rows and columns. The rows represent the horizontal data while the columns represent the vertical data...read more

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R Language

R-Matrix

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