journal6 ›› 2013, Vol. 34 ›› Issue (4): 7-10.DOI: 10.3969/j.issn.1007-2985.2013.04.002

• Mathematics • Previous Articles     Next Articles

Note About Geodesic Curvature Vector of Curves on a Surface


  1. (1.Department of Mathematics,LMIB of the Ministry of Education,Beihang University,Beijing 100191,China;2.Department of Technology Science,He’nan Economy & Trade Vocational College,Zhengzhou 450000,China)
  • Online:2013-07-25 Published:2013-07-18

Abstract: The authors  give the geometric meaning of the  geodesic curvature vector,and a direct derivation method about the calculation formula of  geodesic curvature and  Liouville formula  is  obtained.

Key words: geodesic , curvature vector;geodesic curvature;geometric meaning;Liouville formula

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