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原创 本原勾股数的表示方法

本文以《初等数论及其应用 (原书第6版)》13.1 毕达哥拉斯三元组 为基础。为叙述简便,把毕达哥拉斯三元组(Pythagorean Triples)称为勾股数。另外,也可以参考《数学女孩2 费马大定理》第2章 勾股定理。本原勾股数本原勾股数(x,y,z)(x,y,z)(x,y,z)满足x2+y2=z2x^2+y^2=z^2x2+y2=z2x,y,z∈Z+x,y,z \in Z^+x,y...

2019-08-06 12:38:57 1324 1

原创 本原勾股数(毕达哥拉斯三元组)的个数

本文以《初等数论及其应用 (原书第6版)》13.1 毕达哥拉斯三元组 为基础。为叙述简便,把毕达哥拉斯三元组(Pythagorean Triples)称为勾股数。另外,也可以参考《数学女孩2 费马大定理》第2章 勾股定理。本原勾股数,即毕达哥拉斯三元组,(x,y,z)满足x2+y2=z2x^2+y^2=z^2x2+y2=z2x,y,z∈Z+x,y,z \in Z^+x,y,z∈Z+GCD...

2019-07-30 17:14:49 3517

Maple 2019 User Manual.pdf

Maple 2019 User Manual Maple 2019 User Manual Maple 2019 User Manual Maple 2019 User Manual

2019-12-20

GTM042 Linear Representations of Finite Groups, Springer 1977.pdf

GTM042 Linear Representations of Finite Groups, Springer 1977.pdf

2019-12-19

GTM007 A Course in Arithmetic, J.P.Serre, Springer 1973.pdf

GTM007 A Course in Arithmetic, J.P.Serre, Springer 1973.pdf

2019-12-19

2018.1 IEEE 802.1 YANG Data Modeling Overview.pdf

2018.1 IEEE 802.1 YANG Data Modeling Overview.pdf 2018.1 IEEE 802.1 YANG Data Modeling Overview.pdf

2019-10-23

The Comprehensive LATEX Symbol List.pdf

The Comprehensive LATEX Symbol List.pdf The Comprehensive LATEX Symbol List.pdf

2019-10-17

SUMS80 Mathematical Tapas, Volume 2.zip

SUMS80 Mathematical Tapas, Volume 2 (From Undergraduate to Graduate Level), Prof. Jean-Baptiste Hiriart-Urruty (2017).zip

2019-07-29

SUMS79 From Natural Numbers to Quaternions.zip

SUMS79 From Natural Numbers to Quaternions, Dr. Jürg Kramer, Anna-Maria von Pippich(2017).zip

2019-07-29

SUMS78 Twenty-One Lectures on Complex Analysis.zip

SUMS78 Twenty-One Lectures on Complex Analysis -- A First Course, Alexander Isaev (2017).zip

2019-07-29

SUMS77 Topology, Calculus and Approximation.zip

SUMS77 Topology, Calculus and Approximation, Vilmos Komornik (2017).zip

2019-07-29

SUMS76 Essential Real Analysis, Michael Field (2017).zip

SUMS76 Essential Real Analysis, Michael Field (2017).zip

2019-07-29

SUMS75 Several Real Variables, Shmuel Kantorovitz (2016).zip

SUMS75 Several Real Variables, Shmuel Kantorovitz (2016).zip

2019-07-29

SUMS74 Differential Equations, Viorel Barbu (2016).zip

SUMS74 Differential Equations, Viorel Barbu (2016).zip

2019-07-29

SUMS73 Mathematical Tapas, Volume 1.zip

SUMS73 Mathematical Tapas, Volume 1 (for Undergraduates), Jean-Baptiste Hiriart-Urruty (2016).zip

2019-07-29

SUMS72 Essential Partial Differential Equations(2015).zip

SUMS72 Essential Partial Differential Equations -- Analytical and Computational Aspects, David F. Griffiths(2015).zip

2019-07-29

SUMS71 Mathematica -- A Problem-Centered Approach, 2nd Edition.zip

SUMS71 Mathematica -- A Problem-Centered Approach, 2nd Edition, Roozbeh Hazrat (2015).zip

2019-07-29

SUMS70 The Real and the Complex(2015).zip

SUMS70 The Real and the Complex -- A History of Analysis in the 19th Century, Jeremy Gray (2015).zip

2019-07-29

SUMS67 Linear Algebra, Jörg Liesen, Volker Mehrmann (2015).zip

SUMS67 Linear Algebra, Jörg Liesen, Volker Mehrmann (2015).zip

2019-07-29

SUMS66 Mathematical Writing, Franco Vivaldi (2014).zip

SUMS66 Mathematical Writing, Franco Vivaldi (2014).zip

2019-07-29

SUMS65 Algebraic Number Theory, Frazer Jarvis (2014).zip

SUMS65 Algebraic Number Theory, Frazer Jarvis (2014).zip

2019-07-29

SUMS64 Multivariate Calculus and Geometry, 3rd Edition, Seán Dineen (2014) .zip

SUMS64 Multivariate Calculus and Geometry, 3rd Edition, Seán Dineen (2014) .zip

2019-07-29

SUMS63 From Real to Complex Analysis, R. H. Dyer, D. E. Edmunds (2014).zip

SUMS63 From Real to Complex Analysis, R. H. Dyer, D. E. Edmunds (2014).zip

2019-07-29

SUMS62 An Introduction to Laplace Transforms and Fourier Series.zip

SUMS62 An Introduction to Laplace Transforms and Fourier Series, Phil Dyke (2014).zip

2019-07-29

SUMS61 Ordinary Differential Equations(2014).zip

SUMS61 Ordinary Differential Equations -- Analysis, Qualitative Theory and Control, Hartmut Logemann, Eugene P. Ryan (2014).zip

2019-07-29

SUMS60 Derivative Pricing in Discrete Time.zip

SUMS60 Derivative Pricing in Discrete Time, Nigel J. Cutland, Alet Roux (2013).zip

2019-07-18

SUMS59 Probability Models, John Haigh (2013).zip

SUMS59 Probability Models, John Haigh (2013).zip SUMS59 Probability Models, John Haigh (2013).zip

2019-07-18

SUMS58 Understanding Markov Chains -- Examples and Applications.zip

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2019-07-18

SUMS57 Finitely Generated Abelian Groups and Similarity of Matrices over a Field

SUMS57 Finitely Generated Abelian Groups and Similarity of Matrices over a Field, Christopher Norman (2012).zip

2019-07-18

SUMS56 Complex Analysis and Differential Equations.zip

SUMS56 Complex Analysis and Differential Equations, Luis Barreira, Claudia Valls (2012).zip

2019-07-18

SUMS55 An Introduction to Enumeration, Alan Camina, Barry Lewis (2011) .zip

SUMS55 An Introduction to Enumeration, Alan Camina, Barry Lewis (2011) .zip

2019-07-18

SUMS54 Affine Maps, Euclidean Motions and Quadrics.zip

SUMS54 Affine Maps, Euclidean Motions and Quadrics, Agustí Reventós Tarrida (2011).zip

2019-07-18

SUMS53 Regression -- Linear Models in Statistics.zip

SUMS53 Regression -- Linear Models in Statistics, N. H. Bingham, John M. Fry (2010) .zip

2019-07-18

SUMS52 Worlds Out of Nothing .zip

SUMS52 Worlds Out of Nothing -- A Course in the History of Geometry in the 19th Century, Jeremy Gray (2011) .zip

2019-07-18

SUMS51 Mathematica -- A Problem-Centered Approach, Roozbeh Hazrat (2010) .zip

SUMS51 Mathematica -- A Problem-Centered Approach, Roozbeh Hazrat (2010) .zip

2019-07-18

SUMS50 Numerical Methods for Ordinary Differential Equations.zip

SUMS50 Numerical Methods for Ordinary Differential Equations -- Initial Value Problems, David F. Griffiths, Desmond J. Higham (2010).zip

2019-07-18

SUMS49 Elementary Differential Geometry, 2nd Edition, Andrew Pressley (2010).zip

SUMS49 Elementary Differential Geometry, 2nd Edition, Andrew Pressley (2010).zip

2019-07-18

SUMS48 Introduction to Analytical Dynamics, Revised Edition.zip

SUMS48 Introduction to Analytical Dynamics, Revised Edition, Nicholas Woodhouse (2009).zip

2019-07-18

SUMS47 Codes An Introduction to Information Communication and Cryptography.zip

SUMS47 Codes -- An Introduction to Information Communication and Cryptography, N.L. Biggs (2008).zip

2019-07-18

SUMS46 Linear Functional Analysis, 2nd Edition.zip

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2019-07-18

The Theory of Classical Valuations.pdf

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2019-07-17

数论 The Book of Prime Number Records.pdf

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2019-07-17

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