Operation On Matrices
Chapter Name : Matrices |
Sub Topic Code : 104_12_03_04_01 |
Topic Name : Operation On Matrices |
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Sub Topic Name : Addition Of Matrices |
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Introduction
The sum of 2 or matrices of the same order is done by adding the corresponding elements of the matrices. Sum of matrices of different orders is not defined.
Pre-Requisites:
Matrix types, Order of Matrix
Activity:
Understand that addition of matrices is normal addition of all the corresponding elements in the matrices.
Real Life Question:
How does addition of Matrices help in finding total of a given distribution which has sub-groups in it? Example: total strength of boys and girls in two classes.
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Order of matrix | The number of rows and columns in the matrix; m (rows) x n (columns). |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Seating arrangement | Observe how the arrangement is a matrix. |
Real life uses :
Matrices are used in engineering applications (Black box analysis), In adding up variables such as prices and sales.
Practical examples around us
| Examples | Explainations |
|---|---|
| Use in totaling | Handy to find total of groups with sub-divisions. |
What you learn in Theory:
How to add matrices?
What you learn in Practice:
To be able to place data in matrix form and add them to find the total.