Friezes from Function Graphs

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This Demonstration shows simple friezes from function graphs. Three unit cells are shown.
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Contributed by: Izidor Hafner (March 2016)
Open content licensed under CC BY-NC-SA
Snapshots
Details
For functions we use parts of shifted ordinary functions (to avoid accidental symmetry):
,
, …,
,
,
, ….
The mirror about the axis is obtained using
and
, and about the half-turn by using
and
.
The mirror about the axis is obtained using both graphs
and
filled to the
axis.
Reference
[1] F. A. Farris, Creating Symmetry: The Artful Mathematics of Wallpaper Patterns, Princeton: Princeton University Press, 2015 pp. 52–53.
Permanent Citation