Matrix
Level 2 Category
Definition
A structured grid that organizes data into rows and columns; often used to display relationships between two sets of variables. Each cell represents the intersection of a row and column, making it easy to compare values, identify patterns, or summarize complex datasets.
Example Image
Matrix. SVG file, available at https://commons.wikimedia.org/wiki/File:MatrixLabelled.svg. Licensed under CC BY-SA 4.0.
Writing Alternative Text
State what the matrix represents, its dimensions, and any important patterns or values.
Example Alt Text
"A generic m×n matrix labeled A. The m rows are shown along the left in green, and the n columns are shown across the top in red. Each entry is labeled with its row and column position, such as a11, and ellipses show that the rows and columns continue."