| 单词 | curve fitting |
| 释义 | > as lemmascurve fitting curve fitting n. the process of determining a curve (or its equation) that, subject to certain conditions, best approximates the distribution of points on a graph or describes most accurately the relation between the variables they represent.Curve fitting typically seeks to determine a curve which is such that the distances of the points of the graph from the curve are minimized. ΘΚΠ the world > relative properties > number > graph or diagram > [noun] > graph > other hockey stick1843 curve fitting1895 demand curve1936 zero crossing1941 matching1955 length1959 error bar1968 1895 K. Pearson in Philos. Trans. (Royal Soc.) A. 186 385 In good cases of normal curve fitting, the generalised curves are always sensibly better. 1950 A. McF. Mood Introd. Theory Statistics xiii. 311 The primary reason that the method of least squares is commonly used for curve fitting is merely that it leads to a simple linear system of equations for determining the coefficients. 2008 R. M. Zbiek & K. Hollebrands in M. K. Heid & G. W. Blume Res. on Technol. & Teaching & Learning Math. I. vii. 294 At this level, the teacher may establish patterns for distributing and collecting the calculators and methods for performing mathematical tasks such as graphing or curve fitting. < as lemmas |
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