An alternative solution to the “lost at sea” problem
作者:
Brian Gluss,
期刊:
Naval Research Logistics Quarterly
(WILEY Available online 1961)
卷期:
Volume 8,
issue 1
页码: 117-122
ISSN:0028-1441
年代: 1961
DOI:10.1002/nav.3800080108
出版商: Wiley Subscription Services, Inc., A Wiley Company
数据来源: WILEY
摘要:
AbstractA problem posed by Bellman and considered by Isbell is as follows: Suppose one is a mile from a straight shore with no means whatsoever of ascertaining its direction. What is the optimum path to follow so as to (a) minimize the maximum distance travelled in reaching shore, (b) minimize the statistical expectation of the distance travelled, or (c) maximize the probability of reaching shore within a given distance travelled? Isbell found the solution to (a); in the present paper a sequence of approximations to the optimal policy for (b) is considered.
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