28 research outputs found

    COMPARISON OF 2-VARIABLE INTERPOLATION METHODS FOR PREDICTING THE VAPOUR PRESSURE OF AQUEOUS GLYCEROL SOLUTIONS

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    Several general mathematical methods for approximating two variable functions are applied for the study of the temperature - concentration - vapour pressure relation of aqueous glycerol solutions. The general properties of the applied methods are also discussed for possible other applications

    Comparison of Interpolation Methods: for Predicting the Vapour Pressure of Aqueous Glycerol Solutions

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    Several general mathematical methods for approximating two variable functions are applied for the study of the temperature - concentration - vapour pressure relation of aqueous glycerol solutions. The general prope rties of the applied methods are also discussed for possible other applications

    Proceedings of the NASA Workshop on Surface Fitting

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    Surface fitting techniques and their utilization are addressed. Surface representation, approximation, and interpolation are discussed. Along with statistical estimation problems associated with surface fitting

    Finding better weight functions for generalized Shepard's operator on infinite intervals

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    In this paper, we investigate the difference of Shepard's generalized operators S(sigma) from the approximated set of data for various weight functions sigma. Bounds are given for the sizes of the 'bumps' shown on the graph of S(sigma) for sigma(d) = 1/d in dimension N = 1, and the best weight function sigma for practical use is proposed

    Predicting room acoustical behavior with the ODEON computer model

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    Space programs summary no. 37-49, volume 3 for the period December 1, 1967 to January 30, 1968. Supporting research and advanced development

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    Space program research projects on systems analysis and engineering, telecommunications, guidance and control, propulsion, and data system

    Temporal integration of loudness as a function of level

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