The figure shows three straight lines, each with 31 points. In the first line the points are very tightly spaced at the left end, and very widely spaced at the right end. In the second line the points are very tightly spaced at the right, and very widely spaced at the left. In the third line the points are very tightly spaced at both ends, and extremely widely spaced in the middle.


Last updated 2 Apr 2003