New Arrivals

# Class 9

## Types of Matrices

Row Matrix A matrix is called a row matrix, if it has only one row. e.g., the matrix $M = \begin {bmatrix} 2 & -1 & 7 \\ \end{bmatrix}$ is a row matrix of order 1-by-3 and $N = \begin {bmatrix} 1 & -1 \\ \end{bmatrix}$ is a row matrix of order 1-by-2. Column Matrix A ...

## Matrices and Determinants

The matrices and determinants are used in the field of Mathematics, Physics, Statistics, Electronics and other branches of science. The matrices have played a very important role in this age of computer science. The idea of matrices was given by Arthur Cayley, an English mathematician of nineteenth century, who first developed, “Theory of Matrices” in 1858. Matrix A rectangular array ...