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random walk |
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random walk [′ran·dəm ′wȯk] (mathematics) A succession of movements along line segments where the direction and possibly the length of each move is randomly determined. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The statistics concentrate mainly upon chain molecular properties, whereby the macromolecule is supposed to have a random shape in space, thus relating to stochastic concepts like random walk or Brownian motion. Our genetic evolution occurred through a process that was closer to a random walk across the Old World than to a series of planned migrations, Eswaran says. Yet, as noted by Burton Malkiel, author of A Random Walk Down Wall Street, "For all 25- and 35-year investment periods from 1926 to 2004, investors have always earned positive rates of return. |
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