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Natural Algorithms   Joshua Arulanandham

Natural Algorithms

96 страниц. 2011 год.
LAP Lambert Academic Publishing
I explore simple natural physical systems that exhibit useful, interesting computational effects. I view such physical systems as specialized “computers”/natural–computers. These natural–computers (physical systems), as they evolve in phase space, can be seen as performing a computation or executing a natural algorithm to solve a specific problem. In particular, I consider physical systems that apparently “solve” problems that are hard to solve by using conventional computers. I view the physical systems themselves—not their numerical simulations—as computers. I discuss three main ideas: A gravity powered “computer”—constructed out of beads and rods of an abacus—that can perform data processing tasks like sorting, searching, etc. on an unsorted database; Bilateral Computing paradigm for the construction of natural physical computing devices, whose operation blurs the distinction between computing and inverting a mathematical function; Balance Machine, a generic natural...
 
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