| 切割函数关于第二参数的分析性质 |
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| 引用本文： | 岳崇山.切割函数关于第二参数的分析性质[J].河北北方学院学报(自然科学版),2012,28(2):15-16,20. |
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| 作者姓名： | 岳崇山 |
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| 作者单位： | 河北北方学院理学院,河北张家口,075000 |
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| 摘 要： | 重新定义了平面曲线的切割函数,使用经典的微分几何方法,得到了平面曲线的切割函数对第二参数的连续性和可微性,即平面曲线的切割函数关于第二参数也是连续函数;光滑曲线拓广的切割函数对两个参数都是光滑的.
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| 关 键 词： | 切割函数 连续性 可导性 |
Analytical Properties on Tangent and Secant Function with Second Variable |
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| YUE Chong-shan.Analytical Properties on Tangent and Secant Function with Second Variable[J].Journa of Hebei North University:Natural Science Edition,2012,28(2):15-16,20. |
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| Authors: | YUE Chong-shan |
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| Institution: | YUE Chong-shan(Department of Mathematics,Hebei North University,Zhangjiakou 075000,Hebei,China) |
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| Abstract: | Using classical differential geometry method,we redefine tangent and secant function of plane curve,and obtain some results about it:tangent and secant function of plane curve is a continuous function with the second variable;tangent and secant functions of smooth plane curves are smooth with both variables. |
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| Keywords: | tangent and secant function continuity derivable |
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