Matrix Subtraction Tutorial

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Matrix Subtraction Tutorial

Subtracting Matrices :

In this tutorial you will learn to subtract two square matrix (2x2 or 3x3). It is very simple to subtract two matrices. For an example we will consider two matrices A & B, each with three rows and three columns.

Matrix A Matrix B
a11a12a13
a21a22a23
a31a32a33
-
b11b12b13
b21b22b23
b31b32b33

The matrix are named A and B. Each cell has been given a number to easily identify the cell. Say a11 means cell belonging to first row, first column.a21 means cell belonging to second row, first column. To subtract the matrix just subtract the numbers in the similar cells of the two matrices. Subtract first row, first column value of matrix A (a11) to the first row, first column value of matrix B (b11) to get the first row, first column value of the result matrix.

Result Matrix
a11-b11a12-b12a13-b13
a21-b21a22-b22a23-b23
a31-b31a32-b32a33-b33

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