期刊
COMPUTATIONAL MECHANICS
卷 33, 期 4, 页码 299-304出版社
SPRINGER
DOI: 10.1007/s00466-003-0532-2
关键词
probabilty metric; Shepard-Liszka approximation; fringe pattern analysis; quantum mechanics
A new operator named probability metric (PM) for defining the distance between random values or random vectors is proposed. Although the PM is a generalisation of the metric operator it does not satisfy the first metric axiom. Two particular forms of PM, for normal and uniform probability distributions are presented. Numerical example demonstrates the efficiency of PM in Shepard-Liszka approximation of residual stresses state discrete data, obtained from a strain gauge experiment. Possible applications of PM include fringe pattern analysis. The PM can be also employed in quantum mechanics issues to estimate the distance of two quantum particles expressed by their wave functions.
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