Sunday, January 27, 2008
Sunday, January 13, 2008
Saturday, January 12, 2008
Cellular Automata_Diffusion-Limited Aggregation
Diffusion-limited aggregation (DLA) is the process whereby particles undergoing a random walk due to Brownian motion cluster together to form aggregates of such particles. This theory, proposed by Witten and Sander in 1981 ,is applicable to aggregation in any system where diffusion is the primary means of transport in the system. DLA can be observed in many systems such as electrodeposition, Hele-Shaw flow, mineral deposits, and dielectric breakdown.
---Wikipedia
Friday, January 4, 2008
Shoal--Convex hull
600 points
200 points
In mathematics, the convex hull or convex envelope for a set of points X in a real vector space V is the minimal convex set containing X. ---Wikipedia
The gift wrapping algorithm is an algorithm for computing the convex hull of a set of points in two or more dimensions
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