Research Article
Aug 1980
Entropy Constructed Probabilities
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 106, Issue 4
Abstract
Objective and subjective information are separately modeled as entropies. For the objective case, the information in considered as uncertain and information entropy is used; from this, probabilities are generated by the principle of maximum entropy. Subjective ideas are considered as imprecise rather than uncertain, and a measure for these is obtained by the construction of a fuzzy entropy. These two entropies embody countable information and mental wisdom. The former leads to objective probabilities which will usually be altered by the latter. To facilitate this, the two entropies are combined. This leads to a revised probability which takes into account both objective and subjective information. An example is used to illustrate the method. This involves deciding on the concrete strength in a structure in the light of cylinder tests, and professional wisdom concerning the actual construction, contractor, weather and other matters. Here the objective probability is found from the cylinder tests, and this is modified by engineering judgment.
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Published In
Journal of the Engineering Mechanics Division
Volume 106 • Issue 4 • August 1980
Pages: 633 - 640
Copyright
© 1980 American Society of Civil Engineers.
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Published in print: Aug 1980
Published online: Feb 3, 2021
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Authors
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Colin B. Brown, M.ASCE
Prof. of Civ. Engrg., Univ. of Washington, Seattle, Wash.; also Erskine Fellow, Univ. of Canterbury, Christchurch, New Zealand
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.