垂心四面体的垂心组性质初探On the Properties of the Orthocenter Group of Orthocenter Tetrahedron (预印本)
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汉斯预印本 Vol.5 No.1, June 9 2020, PDF, , DOI:10.12677/HANSPrePrints.2020.51013 被引量
从四面体到n维单形的等距共轭点Equidistant Conjugate Points from Tetrahedron to N-Simplex (预印本)
郭德强 下载量: 621 浏览量: 978
汉斯预印本 Vol.6 No.1, June 8 2021, PDF, , DOI:10.12677/HANSPrePrints.2021.61009 被引量
关于四面体对棱棱长比和二面角正弦比的定理The Theorem of Opposite Edge Length Ratio and Dihedral Angle Sine Ratio in the Tetrahedron (预印本)
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汉斯预印本 Vol.6 No.1, February 28 2021, PDF, , DOI:10.12677/HANSPrePrints.2021.61006 被引量
棱切球四面体各侧面内心连线的几何不等式Geometric Inequalities of the Lines Between the Incenters in Each Side for a Edge-Tangent’s Sphere Tetrahedron (预印本)
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汉斯预印本 Vol.6 No.1, March 31 2021, PDF, , DOI:10.12677/HANSPrePrints.2021.61007 被引量
从四面体到N维单形的棱切球心、热尔岗点、奈格尔点及其坐标公式Edge-Tangent’s Sphere Center, Gergonne Point, Nagel Point and Their Coordinate Formula from Tetrahedron to N-Simplex
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理论数学 Vol.11 No.1, January 29 2021, PDF, HTML, XML DOI:10.12677/PM.2021.111019 被引量
垂心四面体4态的正弦余弦定律及其换元算法——四维体积勾股定理的应用(公式六)The Law of Sines and Cosines of the Orthocentric Tetrahedron with 4-State and Its Substitution Algorithm—Application of Pythagorean Theorem of Four Dimensional Volume (Formula 6 (预印本)
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汉斯预印本 Vol.4 No.1, September 17 2019, PDF, , DOI:10.12677/HANSPrePrints.2019.41031 被引量
垂心四面体4态的正弦余弦定律及其换元算法——四维体积勾股定理的应用(公式六)The Law of Sines and Cosines of the Orthocentric Tetrahedron with 4-State and Its Substitution Algorithm—Application of Pythagorean Theorem of Four Dimensional Volume (Formula 6
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理论数学 Vol.9 No.10, December 23 2019, PDF, HTML, XML DOI:10.12677/PM.2019.910144 被引量
垂心四面体的勾股4态15个外接球半径、外心坐标及距离的算法——四维体积勾股定理的应用(公式九)Calculation of radius, Circumcenter Coordinates and Distance of 15 Circumscribed Spheres of Pythagorean 4-State in a Orthocentric Tetrahedron—Application of Pythagorean Theorem of Four Dimensional Volume (Formula 9 (预印本)
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汉斯预印本 Vol.5 No.1, September 22 2020, PDF, , DOI:10.12677/HANSPrePrints.2020.51028 被引量
垂心四面体的勾股4态15个外接球半径、外心坐标及距离的算法——四维体积勾股定理的应用(公式九)Calculation of Radius, Circumcenter Coordinates and Distance of 15 Circumscribed Spheres of Pythagorean 4-State in an Orthocentric Tetrahedron—Application of Pythagorean Theorem of Four-Dimensional Volume (Formula 9
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理论数学 Vol.10 No.11, November 27 2020, PDF, HTML, XML DOI:10.12677/PM.2020.1011133 被引量
证明垂心四面体的内切球、4面和6棱旁切球半径坐标的算法——四维体积勾股定理的应用(公式五)Algorithm for Proving the Radius Coordinates of the Inscribed Sphere and 4-Surfaces and 6-Edge Line Escribed Spheres of the Orthocentric Tetrahedron—Application of Pythagorean Theorem of Four Dimensional Volume (Formula 5 (预印本)
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汉斯预印本 Vol.4 No.1, September 5 2019, PDF, , DOI:10.12677/HANSPrePrints.2019.41029 被引量