Perimeter-example.nb
Example Cellzilla2D notebook.
GPL License applies.
See http://xlr8r.info and http://cellzilla.info for further details.
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Calculate an isoperimetric ratio A/L^2; for a circle, 1/4Pi = 0.0796; for a square, 1/16=0.0625; according to the isoperimetric inequality, A/L^2 <= 4Pi
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