'Subtracting matrices' presentation slideshows

4.2 Adding and Subtracting Matrices

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Some matrix stuff

Some matrix stuff. What are Matrices?. A matrix is simply a way of organizing and manipulating information in a grid system consisting of rows and columns Kinds of Matrices Commonly Used with Multivariate Methods Scalar [1 x 1] Data [N x p] Vector [p x 1] or [1 x p]

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4.2 Adding and Subtracting Matrices 4.3 Matrix Multiplication

4.2 Adding and Subtracting Matrices 4.3 Matrix Multiplication. Date: _____________. Adding and Subtracting Matrices. Must be the same dimensions Add or Subtract corresponding elements. 4. -2. 3. 2. 7. 0. 5. -3. Adding Matrices. To add matrices, add all the corresponding elements. 7.

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Warm-up

Warm-up. Rick has 11 coins in his pocket worth $2.30. Some are dimes and some are quarters. How many of each coin does he have?. Sections 12.1 and 12.2: Operations with Matrices. September 19, 2013. Defining Matrices.

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What is a matrix?

What is a matrix?. A matrix (plural matrices ) is a rectangular array of numbers, displayed in rows and columns inside a large set of brackets. One use of matrices is to organise data clearly.

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Chapter 4

Chapter 4. Introduction to Matrices. Dimensions of a Matrix. ROW. ELEMENT. COLUMN. The dimensions are stated as row by column and written R X C. Adding Matrices. Find A + B if. and. 2 X 2. 2 X 2. *You can only add two matrices if they have the same dimensions.

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3.5 Perform Basic Matrix Operations

3.5 Perform Basic Matrix Operations. Add Matrices Subtract Matrices Solve Matric equations for x and y. Key Vocabulary :. Matrix: Dimensions: Elements: Equal: Scalar: Scalar Multiplication:. Dimensions and Elements.

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Chapter 4

Chapter 4. Section 2 Adding and Subtracting Matrices. Matrix Addition/Subtraction Must have the same dimensions Add or Subtract the corresponding elements. Zero Matrix: 0 or 0 mxn Matrix filled with zeros Opposite/Additive Inverse: A + (-A) = 0. a) b).

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Adding and Subtracting Matrices

Adding and Subtracting Matrices. Only matrices with the same dimensions can be added and subtracted. The resulting matrix has the same dimension of the two matrices being added or subtracted. Add the corresponding elements in each matrix. Examples.

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I. Adding and Subtracting Matrices

I. Adding and Subtracting Matrices. Organizing Data in a Matrix 1. A matrix is a rectangular arrangement of numbers into horizontal rows and vertical columns. 2. Each number in the matrix is called an entry or an element. Example:.

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