getdelta

Simple widget to get the change in coordinates between two points.

Description

Simple gui widget to get the coordinate change between two points.

just type getdelta and a button with three fields will appear. click the button and then two points in a plot. The change in x, change in y, and slope will be displayed.

To access these variables in the workspace, type global dx; global dy; global dydx;

see also getpoint

• MATLAB release: MATLAB 5.3.1 (R11.1)

[Duane Hanselman]

This looks a lot like the poorly conceived getpoint fucntion submitted by the same author. A function that issues "warning off" at the beginning and then issues "warning on" at the end is naturally suspect. Use of ginput to gather two points, then a simple difference does the same thing.