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July 2015, № 7 (182)

Pavlenko F.N., Pikhtilkova O.A., Chetverikova A.G. TO THE QUESTION ABOUT ORGANIZATION OF THE INTRODUCTION COURSE "MATHEMATICAL PROCESSING OF EXPERIMENTAL DATA"The various approaches to introduction of the course "Mathematical Processing of Experimental Data" are considered in the article. It is noted that application of traditional statistical approach has a lot of essential shortcomings. The possibility of experimental finding of the necessary number of direct measurements of physical quantity sufficient for receiving the limit absolute error is proved. It is offered to imitate results of direct measurements by means of a computer mathematical MathCAD package, generating the random variable having normal distribution. As a result of numerous measurements there is not displaced estimation of an average square deviation providing a limit absolute error of result. Expediency of finding of absolute errors of results of indirect measurements by means of a method of borders for which it isn't required the knowledge which is far going beyond the school program is proved. Features of application of this approach to processing of results of indirect measurements are illustrated on two examples . Expediency of use of the interactive methodical instructions integrated with a computer mathematical MathCAD package for increase of efficiency of assimilation of this course by students of the natural-science and engineering directions is noted. In this case the operating control of correctness of mathematical processing of experimental data in audience leads to sharp increase in motivation of students to studying of the considered material.Key words: mathematical processing of experimental data, precision of repeated direct measurements, normal distribution, MathCAD, indirect measurements, method of borders.


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About this article

Authors: Pavlenko A.N., Pihtilkova O.A., Chetverikova A.G.

Year: 2015

Sergey Aleksandrovich

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