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Monthly Archives: July 2021

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 ...

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Exercise 1.1 (Math 9)

Question 1. Find the order of the following matrices. Solution: $$ A = \begin {bmatrix} 2 & 3 \\ -5 & 6 \\ \end{bmatrix} $$ Order of matrix A is 2-by-2   $$ B = \begin {bmatrix} 2 & 0 \\ 3 & 5 \\ \end{bmatrix} $$ Order of matrix B is 2-by-2   $$ C = \begin {bmatrix} 2 ...

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