Sometimes I have to write stuff so I won't forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you might ...

The contour plot provides an alternative graphical method for examining the variations of a response surface. The contour plot displays the geometric features of the response surface as a family of ...

A surface plot is a rotating plot with a fit surface. It is a graphic representation of the relationships among three or four variables. A fourth variable can be used to color surface contours along Z ...

In the final article of a three-part series, the authors discuss how to present a design space and evaluate its graphical representation. Parts I and II of this article appeared in the July and August ...