## Subscripts

The element in row i and column j of A is denoted by A(i,j). For example, A(4,2) is the number in the fourth row and second column. For our magic…

## Working with Images in MATLAB Graphics

What Is Image Data? The basic MATLAB data structure is the array, an ordered set of real or complex elements. An array is naturally suited to the representation of images,…

## Displaying Curl with Stream Ribbons

What Stream Ribbons Can Show Stream ribbons illustrate direction of flow, similar to stream lines, but can also show rotation about the flow axis by twisting the ribbon-shaped flow line.…

## Reading, Writing, and Querying Graphics Image Files

Working with Image Formats In its native form, a graphics file format image is not stored as a MATLAB matrix, or even necessarily as a matrix. Most graphics files begin…

## Matlab Annotation Objects and Example

Users typically create annotation objects from the Plot Edit toolbar or the Insert menu (select Plot Edit in the View menu to display the Plot Edit toolbar). However, you can…