Mathematics in Education, Research and Applications最新文献

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The assessment of students’ achievements from the subject Basics of Accounting in the study program Accounting at FEM SUA in Nitra 在Nitra的FEM SUA会计学习项目中,对学生在会计基础学科方面的成绩进行评估
Mathematics in Education, Research and Applications Pub Date : 2020-12-30 DOI: 10.15414/MERAA.2020.06.01.67-71
I. Košovská, M. Pietriková, I. Váryová
{"title":"The assessment of students’ achievements from the subject Basics of Accounting in the study program Accounting at FEM SUA in Nitra","authors":"I. Košovská, M. Pietriková, I. Váryová","doi":"10.15414/MERAA.2020.06.01.67-71","DOIUrl":"https://doi.org/10.15414/MERAA.2020.06.01.67-71","url":null,"abstract":"The Faculty of Economics and Management is providing quality economic and managerial education within the accredited study programs. We analyzed the obtained students´ results of study program Accounting in the subject of Basics of Accounting. The analysis subject was the students’ success in the before mentioned subject and changes in the final assessment. We assessed reached results of 318 students for 4 academic years, this subject was obligatory for these students. The final assessment was analyzed as a whole, as well as the manner these students achieved. We were interested whether the student met the conditions in an ordinary term. According to our opinion the analysis considered the necessary factor, the type of graduated secondary school. The average grade in individual terms was calculated by the arithmetic mean from all grades “A - FX”, the total average grade was similarly calculated as the arithmetic mean of the final assessment recorded in the reports. In the analysis, the structure of students was also described through the mode, which is defined as the most common value of a statistical feature. We found out that the graduates of business academy prevail in the study program Accounting. We assumed that the graduates of business academies reach the best results in comparison with other students. However, the aggregated results of assessments did not confirm the existence of such an advantage. The worst average assessment is characteristic for the first corrective term, on the contrary, the best average grade is given in the second corrective term.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115885501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Analysis and evaluation of students' results in the subject of Mathematics for Technicians 技术人员数学课程学生成绩分析与评价
Mathematics in Education, Research and Applications Pub Date : 2020-12-30 DOI: 10.15414/MERAA.2020.06.01.80-87
Vladimír Matušek, E. Matušeková
{"title":"Analysis and evaluation of students' results in the subject of Mathematics for Technicians","authors":"Vladimír Matušek, E. Matušeková","doi":"10.15414/MERAA.2020.06.01.80-87","DOIUrl":"https://doi.org/10.15414/MERAA.2020.06.01.80-87","url":null,"abstract":"Integral calculus is a branch of mathematics concerned with the determination, properties, and application of integrals. It is predominantly used in technical applications. Technical engineers, statics, physicists and others use it in their calculations on practice. There was a requirement from practice for technical universities to include integral calculus in their curricula. The subject Mathematics for Technicians is taught at the Department of Mathematics, the Slovak University of Agriculture in Nitra. The content of this subject is to teach its students to calculate indefinite and definite integral. Our research analysed students' knowledge in counting indefinite and definite integral. We used the methodology of evaluation and comparison of test results taken in the 8th week of the term and at the end of the term. The main hypothesis saying that the results of students’ tests taken at the end of the term are better that those taken in the mid- term has confirmed to be correct.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121429586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regression analysis of expanded polystyrene properties 膨胀聚苯乙烯性能的回归分析
Mathematics in Education, Research and Applications Pub Date : 2020-12-30 DOI: 10.15414/MERAA.2020.06.01.54-63
D. Páleš, M. Balková
{"title":"Regression analysis of expanded polystyrene properties","authors":"D. Páleš, M. Balková","doi":"10.15414/MERAA.2020.06.01.54-63","DOIUrl":"https://doi.org/10.15414/MERAA.2020.06.01.54-63","url":null,"abstract":"Own measurements examine the tensile strength of expanded polystyrene (EPS) depending on its bulk density. 30 samples were used to calculate the correlation coefficients between these two properties. In addition to the standard Pearson coefficient, we also calculate the rank correlation coefficients, Spearman´s and Kendall´s. By testing the hypotheses, we verify the correlation of the entire population. After finding a relatively close correlation (0.6 - 0.8), we apply different regression models, especially polynomial, but also exponential. We evaluate the properties of parameters in models, their point estimates and confidence intervals. Based on the characteristics of each of the seven regressions, we found the best exponential form of the dependence, before the linear polynomial. The complexity of a mathematical model does not always mean that it is also a more accurate approximation. On the other hand, a simple model makes it possible, in addition to its ease of use, to more closely reflect the examined dependence.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117291392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Education of mathematics during the coronavirus crisis 冠状病毒危机期间的数学教育
Mathematics in Education, Research and Applications Pub Date : 2020-12-30 DOI: 10.15414/MERAA.2020.06.01.47-53
Tomáš Pechočiak
{"title":"Education of mathematics during the coronavirus crisis","authors":"Tomáš Pechočiak","doi":"10.15414/MERAA.2020.06.01.47-53","DOIUrl":"https://doi.org/10.15414/MERAA.2020.06.01.47-53","url":null,"abstract":"At the turn of 2019 and 2020, after the emergence of a new type of coronavirus, a new situation arose worldwide. This crisis has also caused changes in education at all levels schools in Slovakia. Primary schools, secondary schools, but also universities had to transfer their teaching from buildings to online space. We switched to distance education. We were forced to develop a number of new digital teaching aids, both in the form of Word texts, but also animated and spoken Power Point lectures. We also used the prepared lectures, which we found on the Internet. After the study materials presented and distributed in this way, we also performed a retrospective check of the acquired knowledge by the students. It was the elaboration of written works by students in individual study units, but also seminar works, credit and exam works. Students received points for each work submitted in this way. By adding the points obtained in this way, the students were awarded a total mark according to the ECTS credit scale. In our paper, we also deal with the evaluation of points obtained by students. We found out whether mastering individual knowledge had an impact on the control of others and how it affected the overall evaluation of the student.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"21 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132845736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Evaluation of specific integrals by differentiation 用微分法求特定积分
Mathematics in Education, Research and Applications Pub Date : 2019-12-09 DOI: 10.15414/meraa.2019.05.02.98-103
Norbert Kecskés
{"title":"Evaluation of specific integrals by differentiation","authors":"Norbert Kecskés","doi":"10.15414/meraa.2019.05.02.98-103","DOIUrl":"https://doi.org/10.15414/meraa.2019.05.02.98-103","url":null,"abstract":"Differentiation and integration (anti-differentiation) constitute one of the fundamental techniques used in higher mathematics. These operations are inverse of each other. While differentiation (to the extent of school mathematics) is relatively simple and straightforward, integration, in general, is a much more involving task. There are various classical methods to evaluate elementary integrals, e.g. substitution, integration by parts, partial fraction decomposition or more advanced techniques like the residue theorem, or Cauchy’s integral formula. The paper deals with some types of elementary functions whose integrals can be evaluated by intelligent guess and differentiation.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123399346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The sum of the series of reciprocals of the cubic polynomials with one zero and double non-zero integer root 具有一个零和二重非零整数根的三次多项式的倒数级数的和
Mathematics in Education, Research and Applications Pub Date : 2019-10-01 DOI: 10.15414/meraa.2019.05.01.9-15
Radovan Potucek
{"title":"The sum of the series of reciprocals of the cubic polynomials with one zero and double non-zero integer root","authors":"Radovan Potucek","doi":"10.15414/meraa.2019.05.01.9-15","DOIUrl":"https://doi.org/10.15414/meraa.2019.05.01.9-15","url":null,"abstract":"This contribution is a follow-up to author’s previous published papers and deals with the sum of the series of reciprocals of the cubic polynomials with one zero and double non-zero integer root. We derive the formula for the sum of these series and verify it by some examples using the basic programming language of the computer algebra system Maple 16. This contribution can be an inspiration for teachers who are teaching the topic Infinite series or as a subject matter for work with talented students.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"222 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114595541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Growing role of CSR activities in the area of human resources management and its evaluation using quantitative methods 企业社会责任活动在人力资源管理领域日益重要的作用及其定量评价方法
Mathematics in Education, Research and Applications Pub Date : 2019-10-01 DOI: 10.15414/meraa.2019.05.01.16-29
Z. Lušňáková, Silvia Lenčéšová, M. Šajbidorová
{"title":"Growing role of CSR activities in the area of human resources management and its evaluation using quantitative methods","authors":"Z. Lušňáková, Silvia Lenčéšová, M. Šajbidorová","doi":"10.15414/meraa.2019.05.01.16-29","DOIUrl":"https://doi.org/10.15414/meraa.2019.05.01.16-29","url":null,"abstract":"The long-term interest of an enterprise should be to keep employees as long as possible, while at the same time they should deliver sustainable added value. The main goal of human resources management is to achieve success and competitive advantage through the strategic provision and deployment of capable and committed employees. The aim of the scientific paper is to point out the role of CSR activities in human resources management. We analyzed the topic in 331 food companies in Slovakia. The tool for analyze was the questionnaire based on the 5-degree Likert scale and controlled interviews. Data processing was performed using statistical program SAS Enterprise Guide 7.1. The statistical relations and correlations between variables were performed using Cronbach alpha, Spearman's test, Kruskal-Wallis ́ test. Based on the results of our research and the verification of six established research presumptions, we can conclude, that we see important to ensure the balance between the working and private lives of all employees, not only managers, as well as provide the suitable space for their mental hygiene. The companies should deal with different opportunities within corporate philanthropy, which are closely related to the help and protection of various disadvantaged employees. It is also necessary to protect the intellectual property of employees and respect their rights and freedoms and systematically combat bureaucracy and corruption.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123140306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Economic aspects of consumers’ preferences when buying milk and selected dairy products 消费者在购买牛奶和选定乳制品时偏好的经济方面
Mathematics in Education, Research and Applications Pub Date : 2019-10-01 DOI: 10.15414/meraa.2019.05.01.43-52
Dávid Červený
{"title":"Economic aspects of consumers’ preferences when buying milk and selected dairy products","authors":"Dávid Červený","doi":"10.15414/meraa.2019.05.01.43-52","DOIUrl":"https://doi.org/10.15414/meraa.2019.05.01.43-52","url":null,"abstract":"The Slovak dairy industry brings to the market a wide range of standard dairy products as well as dairy specialties. Consumers' opinions and preferences need to be known to the manufacturers of these products, because through this information they can better understand and meet their demands and requirements. The main objective of this paper is to evaluate selected economic aspects of consumers’ preferences in the purchase of milk and certain dairy products. Through the questionnaire survey we obtained opinions of consumers and the existence of relationships between selected economic indicators was verified by method of the χ2-test. This test did not confirm the statistical significance of the analyzed relationship in any formulated hypothesis. As the important fact for producers of milk and dairy products we could state that participants of the questionnaire predominantly prefer quality of a product to its price.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122498876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decision-making of students for their professional career in financial and insurance practice 学生在金融保险专业实践中的职业决策
Mathematics in Education, Research and Applications Pub Date : 2019-10-01 DOI: 10.15414/meraa.2019.05.01.38-42
R. Gregáňová
{"title":"Decision-making of students for their professional career in financial and insurance practice","authors":"R. Gregáňová","doi":"10.15414/meraa.2019.05.01.38-42","DOIUrl":"https://doi.org/10.15414/meraa.2019.05.01.38-42","url":null,"abstract":"The Faculty of Economics and Management of the Slovak University of Agriculture in Nitra provides students within bachelor's study programs with general theoretical and practical knowledge. In the first year of bachelor study students learn the basics of higher mathematics within the subjects \"Mathematics IA\" and \"Mathematics IB\". Students acquire practical and applied knowledge in the optional subject \"Financial and Insurance Mathematics\" taught in the third year of bachelor's degree. The paper deals with the questionnaire survey carried out in the subject \"Financial and insurance mathematics\" taught at FEM SUA in Nitra. The aim of the statistical analysis is to find out whether students' attitudes towards their professional orientation in the field of financial and actuarial mathematics have changed. During the academic years 2016/17, 2017/18 and 2018/19 students were asked to fill out an identical questionnaire aimed at finding their general overview in the field of financial and actuarial mathematics, as well as opinions on their professional future in any of these areas. Methods of descriptive statistics and hypothesis testing were used to evaluate the survey results. The existence of statistically significant relationships among the obtained data was verified by the χ2-test. In case of dependence confirmation the intensity of assessed dependence was determined. The questionnaire survey confirmed the existence of statistically significant differences between the answers of students from different types of secondary schools and academic years.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129328027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differentiating under integral sign in Castigliano’s theorem 卡斯蒂利亚诺定理中积分符号下的微分
Mathematics in Education, Research and Applications Pub Date : 2019-10-01 DOI: 10.15414/meraa.2019.05.01.30-37
J. Rédl
{"title":"Differentiating under integral sign in Castigliano’s theorem","authors":"J. Rédl","doi":"10.15414/meraa.2019.05.01.30-37","DOIUrl":"https://doi.org/10.15414/meraa.2019.05.01.30-37","url":null,"abstract":"In this contribution we are dealing with application of differentiating of function defined with determined parametrical integral. The mathematical problem was analyzed form point of view of mechanics of materials. The mathematical model of loaded beam was created. Applying the cross section method we defined the exact function of bending moment. Additional properties of cantilever joint were neglected. We showed the derivation of modified Castigliano’s theorem via Leibnitz rule of differentiating under integration sign. Appling the modified Castigliano’s theorem we got the exact solution of the deflection of the beam. The exact solution of beam deflection was finished in PTC Mathcad Prime software (PTC Parametric Technology). The numerical integration of the bending moment dataset and defined deflection function was done in program written in Microsoft Visual C# 2010. The Dormand-Prince numerical integration method was used for the numerical integration. Comparing the exact and numerical solution we got the error of numerical integration solution.","PeriodicalId":356304,"journal":{"name":"Mathematics in Education, Research and Applications","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121120180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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