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Understanding Matrices: Structure, Dimensions, and Elements in Data Organization

This chapter focuses on organizing data into matrices, which are rectangular arrays of numbers represented within brackets. Each matrix is designated by a capital letter and classified by its dimensions, such as rows and columns (e.g., matrix A has 2 rows and 3 columns, denoted as A2x3). It further explains matrix elements, identified by lowercase letters with subscripts indicating their row and column position (e.g., g12 refers to the element in the first row and second column). Learn how to identify matrix elements and their dimensions through practical examples.

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Understanding Matrices: Structure, Dimensions, and Elements in Data Organization

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Presentation Transcript

  1. Chapter 4 Section 1 Organizing Data into Matrices

  2. Matrix – (plural: matrices) is a rectangular array of numbers written within brackets • Represented by a CAPITAL letter • Classified by dimensions rows X columns by

  3. Rows Rows Columns Matrix A2 X 3

  4. What are the dimensions of each matrix? 1 X 3 3 X 3 4 X 1

  5. Matrix Element – each number in a matrix • Identified with a lower case letter with subscripts of row and column Elementg12is in thefirst rowandsecond column Identify each matrix element. g22 g13 g21 12 3 10.4

  6. Book Examples p. 165 & p. 166

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