“curvature”的概念、定义、翻译、参考文献-科学参考

curvature

Computer

In nonlinear regression analysis, measures of curvature were proposed by D. Bates and D. Watts as a means of assessing the reliability of certain linear approximations. Curvature has two components: parameter-effects curvature, which can be reduced by suitable transformations of the parameters, and intrinsic curvature, which represents the essential aspect of nonlinearity. Estimation of these measures requires the second derivatives of the expectation functions in the model.

Geography

In meteorology, the wind speed divided by the radius of curvature of the bending air stream. Conventionally, cyclonic curvatures have positive, and anticyclonic curvatures negative, radii of curvature in the Northern Hemisphere. See W. Saucier (2003).

单词	curvature
释义	curvature Computer In nonlinear regression analysis, measures of curvature were proposed by D. Bates and D. Watts as a means of assessing the reliability of certain linear approximations. Curvature has two components: parameter-effects curvature, which can be reduced by suitable transformations of the parameters, and intrinsic curvature, which represents the essential aspect of nonlinearity. Estimation of these measures requires the second derivatives of the expectation functions in the model. Geography In meteorology, the wind speed divided by the radius of curvature of the bending air stream. Conventionally, cyclonic curvatures have positive, and anticyclonic curvatures negative, radii of curvature in the Northern Hemisphere. See W. Saucier (2003).
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