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SECOND-DEGREE RATIONAL SPLINE INTERPOLATION 二阶有理样条插值
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.1996.1.04
P. Oja
{"title":"SECOND-DEGREE RATIONAL SPLINE INTERPOLATION","authors":"P. Oja","doi":"10.3176/phys.math.1996.1.04","DOIUrl":"https://doi.org/10.3176/phys.math.1996.1.04","url":null,"abstract":". Interpolation with the rational splines of the form ¢y + clx + c22* /(1 + d172) on each subinterval [z;_;,z;] of the grida = 29 < z; < ... < z, = bis considered. The coefficients are determined from a nonlinear system which has a locally unique solution. The convergence of order O(h*) is proved.","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133483887","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
К ИНТЕГРАЛЬНОЙ ФОТОУПРУГОСТИ КУБИЧЕСКИХ МОНОКРИСТАЛЛОВ 立方单晶的积分光电弹性
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.1992.1.04
A. Puro
{"title":"К ИНТЕГРАЛЬНОЙ ФОТОУПРУГОСТИ КУБИЧЕСКИХ МОНОКРИСТАЛЛОВ","authors":"A. Puro","doi":"10.3176/phys.math.1992.1.04","DOIUrl":"https://doi.org/10.3176/phys.math.1992.1.04","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133588590","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
Solution of nonlinear Fredholm integral equations via the Haar wavelet method 用Haar小波法求解非线性Fredholm积分方程
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.2007.1.02
Ü. Lepik, E. Tamme
{"title":"Solution of nonlinear Fredholm integral equations via the Haar wavelet method","authors":"Ü. Lepik, E. Tamme","doi":"10.3176/phys.math.2007.1.02","DOIUrl":"https://doi.org/10.3176/phys.math.2007.1.02","url":null,"abstract":"A numerical method for solving nonlinear Fredholm integral equations, based on the Haar wavelet approach, is presented. Its efficiency is tested by solving four examples for which the exact solution is known. This allows us to estimate the exactness of the obtained numerical results. High accuracy of the results even in the case of a small number of grid points is observed.","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133278848","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: 76
Two-based duplicate-clones 两duplicate-clones
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.2001.2.01
E. Redi
{"title":"Two-based duplicate-clones","authors":"E. Redi","doi":"10.3176/phys.math.2001.2.01","DOIUrl":"https://doi.org/10.3176/phys.math.2001.2.01","url":null,"abstract":"The notion \"two-based clone\" on a pair of sets (universes) is defined. Some properties of two-based duplicate-clones are proved. The lattice of all double-dually closed duplicate-clones on a pair of 2-element sets is described.","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134481945","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
MASSLESS HALF-ODD-INTEGER HELICITY GAUGE FIELDS 无质量半奇整数螺旋度规范场
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.1994.1.03
R. Loide, I. Ots, R. Saar
{"title":"MASSLESS HALF-ODD-INTEGER HELICITY GAUGE FIELDS","authors":"R. Loide, I. Ots, R. Saar","doi":"10.3176/phys.math.1994.1.03","DOIUrl":"https://doi.org/10.3176/phys.math.1994.1.03","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127463342","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
DECOUPLING OF DISCRETE-TIME NONLINEAR SYSTEMS BY MINIMAL ORDER DYNAMIC STATE FEEDBACK 离散非线性系统的最小阶动态反馈解耦
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.1993.4.03
Ü. Kotta
{"title":"DECOUPLING OF DISCRETE-TIME NONLINEAR SYSTEMS BY MINIMAL ORDER DYNAMIC STATE FEEDBACK","authors":"Ü. Kotta","doi":"10.3176/phys.math.1993.4.03","DOIUrl":"https://doi.org/10.3176/phys.math.1993.4.03","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115239920","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
DISCRETE APPROXIMATION OF INTEGRAL EQUATIONS IN THE SPACE OF ESSENTIALLY BOUNDED FUNCTIONS 本质上有界函数空间中积分方程的离散逼近
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/10.3176/phys.math.1990.3.05
R. Lepp
{"title":"DISCRETE APPROXIMATION OF INTEGRAL EQUATIONS IN THE SPACE OF ESSENTIALLY BOUNDED FUNCTIONS","authors":"R. Lepp","doi":"10.3176/10.3176/phys.math.1990.3.05","DOIUrl":"https://doi.org/10.3176/10.3176/phys.math.1990.3.05","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115790465","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
О НЕКОТОРЫХ КЛАССАХ СТРУКТУРНЫХ АВТОМАТОВ, ТЕСТИРУЕМЫХ ДВУМЯ ВХОДНЫМИ НАБОРАМИ 一些类型的结构自动售货机由两个输入组测试。
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.1992.3.03
A. Timoškin
{"title":"О НЕКОТОРЫХ КЛАССАХ СТРУКТУРНЫХ АВТОМАТОВ, ТЕСТИРУЕМЫХ ДВУМЯ ВХОДНЫМИ НАБОРАМИ","authors":"A. Timoškin","doi":"10.3176/phys.math.1992.3.03","DOIUrl":"https://doi.org/10.3176/phys.math.1992.3.03","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"30 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114879417","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
PARALLEL AND SEMIPARALLEL SYMPLECTIC SUBMANIFOLDS IN THE SYMPLECTIC SPACE 辛空间中的平行和半平行辛子流形
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.2000.3.02
A. Parring
{"title":"PARALLEL AND SEMIPARALLEL SYMPLECTIC SUBMANIFOLDS IN THE SYMPLECTIC SPACE","authors":"A. Parring","doi":"10.3176/phys.math.2000.3.02","DOIUrl":"https://doi.org/10.3176/phys.math.2000.3.02","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114674508","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
SILVER IMPURITIES IN CUBIC METAL FLUORIDES. JAHN–TELLER EFFECTS IN 4d95s1 AND 4d9 MULTIPLETS 立方金属氟化物中的银杂质。4d95s1和4d9多胞胎的姜-泰勒效应
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics Pub Date : 1900-01-01 DOI: 10.3176/phys.math.1995.2/3.09
P. Boutinaud, A. Monnier, D. Lovy, H. Bill
{"title":"SILVER IMPURITIES IN CUBIC METAL FLUORIDES. JAHN–TELLER EFFECTS IN 4d95s1 AND 4d9 MULTIPLETS","authors":"P. Boutinaud, A. Monnier, D. Lovy, H. Bill","doi":"10.3176/phys.math.1995.2/3.09","DOIUrl":"https://doi.org/10.3176/phys.math.1995.2/3.09","url":null,"abstract":"","PeriodicalId":308961,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Physics. Mathematics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114687393","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
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