The document discusses matrices and their types and applications. It defines a matrix as a rectangular arrangement of numbers, expressions or symbols arranged in rows and columns. It describes 10 different types of matrices including row, column, square, null, identity, diagonal, scalar, transpose, symmetric and equal matrices. It also discusses three algebraic operations on matrices: addition, subtraction and multiplication. Finally, it provides examples of how matrices are used in economics to calculate costs of production, in geology for seismic surveys, and in robotics and automation to program robot movements.
What is matrix? Matrix in physics. Matrix in computer science. Matrix in encryption. Matrix in others sector. geology surveys,robot movement,scientific experiment.
What is matrix? Matrix in physics. Matrix in computer science. Matrix in encryption. Matrix in others sector. geology surveys,robot movement,scientific experiment.
The following presentation consists of information about the application of matrices. The ppt particularly focuses on the its use in cryptography i.e. encoding and decoding of messages.
Application of matrix
1. Encryption, its process and example
2. Decryption, its process and example
3. Seismic Survey
4. Computer Animation
5. Economics
6. Other uses...
The following presentation consists of information about the application of matrices. The ppt particularly focuses on the its use in cryptography i.e. encoding and decoding of messages.
Application of matrix
1. Encryption, its process and example
2. Decryption, its process and example
3. Seismic Survey
4. Computer Animation
5. Economics
6. Other uses...
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Matrix theory" redirects here. For the physics topic, see Matrix string theory.
An m × n matrix: the m rows are horizontal and the n columns are vertical. Each element of a matrix is often denoted by a variable with two subscripts. For example, a2,1 represents the element at the second row and first column of the matrix.
In mathematics, a matrix (plural matrices) is a rectangular array[1] (see irregular matrix) of numbers, symbols, or expressions, arranged in rows and columns.[2][3] For example, the dimension of the matrix below is 2 × 3 (read "two by three"), because there are two rows and three columns:
{\displaystyle {\begin{bmatrix}1&9&-13\\20&5&-6\end{bmatrix}}.}{\displaystyle {\begin{bmatrix}1&9&-13\\20&5&-6\end{bmatrix}}.}
Provided that they have the same size (each matrix has the same number of rows and the same number of columns as the other), two matrices can be added or subtracted element by element (see conformable matrix). The rule for matrix multiplication, however, is that two matrices can be multiplied only when the number of columns in the first equals the number of rows in the second (i.e., the inner dimensions are the same, n for an (m×n)-matrix times an (n×p)-matrix, resulting in an (m×p)-matrix). There is no product the other way round, a first hint that matrix multiplication is not commutative. Any matrix can be multiplied element-wise by a scalar from its associated field.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
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Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
3. It is an collection of element which is arranges in rows and columns
MATRIX
It is the combination of linear equation
It is represented by these symbols : () , [] , l l
4. TYPES OF MATRIX
1. Row matrices – A matrices which has only one row
called row matrices e.g.-
[123]1*3
2. Column matrices – A matrices which has only one
column is called column matrices e.g. –
1
2
3
3 ∗ 1
5. TYPES OF MATRIX
3. Square matrices – No. of the rows and No. of the
column is same e.g.
123
456
789
3 ∗ 3
4. Null matrices – Which all elements is equal to ‘0’
000
000
000
3 ∗ 3
6. TYPES OF MATRIX
5. Identity matrices – A square matrices who’s main diagonal is
assinty value ‘1’ and each of the other element is ‘0’
e.g
100
010
001
3 ∗ 3 ,
10
01
2 ∗ 2, 1 1 ∗ 1
5. Diagonal matrices – A square matrices all of who’s element
expect those in the leading diagonal are ‘0’ e.g. -
100
050
009
3 ∗ 3
7. TYPES OF MATRIX
7. Scalar matrices – A diagonal matrices in which all the elements of
main diagonal is same called scalar matrices e.g.- 200
020
002
3*3
8.Transpose Matrices – A matrices obtained by inter
changing the rows and columns of a matrices A It is
denoted by A’ , AT e.g.:-
A⇒
123
456
789
3 ∗ 3 AT ⇒
147
258
369
3 ∗ 3
8. TYPES OF MATRIX
9. Symmetric Matrices - A square matrices A is called symmetric matrices if
it is equal to its transpose e.g.-𝐴 ⇒
100
010
001
3 ∗ 3, 𝐴′
⇒
100
010
001
3 ∗ 3
10.Equal Matrices – If two matrices order and there corresponding element
is same is called equal matrices
If X⇒
2 3
4 5
2 ∗ 2 𝑎𝑛𝑑 𝑌 ⇒
2 3
4 5
2 ∗ 2
9. TYPES OF MATRIX
11.Algebraic Matrices – There are three type:-
i. Addition method - for addition of two matrices the order must be same e.g.:-
A⇒
3 −2
1 −4
2 ∗ 2, 𝐵 ⇒
3 −1
4 6
2 ∗ 2
𝐴 − 𝐵 ⇒
3 −2
1 −4
+
3 −1
4 6
⇒
3 + 3 −2 + −1
1 + 4 −4 + 6
⇒
6 −3
5 2
2 ∗ 2
12. TYPES OF MATRIXLet,
and
Compute AB.
Solution: The size of matrix A is 2x3, and the size of matrix B is 3x3. Since the number of columns of matrix A is equal
to the number of rows of matrix B, the matrix product C = AB is defined. Furthermore, the size of matrix C is 2x3.
Thus,
13. TYPES OF MATRIX
It remains now to determine the entries c11, c12, c13, c21, c22 and c23. We have
So the required product AB is given by
14. ACTION OF MATRIX
Matrix Multiplication in Economics
We gave you an example of how matrix multiplication could be used in math itself, but how about in real life, what
benefit can it provide to us? Well, The basic principle for the example concerns the cost of producing several units of
an item when the cost per unit is known.
{Number of units} * {Cost per unit} = {Total cost}
Example
A company manufactures two products. For $ 1.00 worth of product A, the company spends $ .40 on materials, $.20
on labor, and $.10 on overhead. For $1.00 worth of product B, the company spends $.30 on materials, $.25 on labor,
and $.35 on overhead. Suppose the company wishes to manufacture x1 dollars worth of product A and B. Give a
vector that describes the various costs the company will have to endure?
15. ACTION OF MATRIX
Step 1
.40 .30
A = .20 and B = .25
.10 .35
Step 2
The cost of manufacturing x1 dollars worth of A are given by x1*A and the costs of
manufacturing x2 dollars worth of B are given by x2.B. Hence the total costs for both
products are simply given by their products once again,
.40 .30
[ x1 ] .20 + [ x2 ] .25 = x1*A + x2*B.
.10 .35
16. ACTION OF MATRIX
In geology, matrices are used for taking seismic surveys.
They are used for plotting graphs, statistics and also to do scientific studies in almost different fields.
• Matrices are used in representing the real world data’s like the traits of people’s population, habits, etc.
They are best representation methods for plotting the common survey things.
• Matrices are used in calculating the gross domestic products in economics which eventually helps in
calculating the goods production efficiently.
• Matrices are used in many organizations such as for scientists for recording the data for their experiments.
• In robotics and automation, matrices are the base elements for the robot movements.
The movements of the robots are programmed with the calculation of matrices’ rows and columns.
The inputs for controlling robots are given based on the calculations from matrices.
17. conclution
Matrices are nothing but the rectangular arrangement of numbers, expressions, symbols which are
arranged in columns and rows.
The numbers present in the matrix are called as entities or entries.
A matrix is said to be having ‘m’ number of rows and ‘n’ number of columns.
Matrices find many applications in scientific fields and apply to practical real life problems as
well, thus making an indispensable concept for solving many practical problems.