| 关于自然数密度问题的再思考 |
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| 引用本文： | 马珊珊.关于自然数密度问题的再思考[J].徐州师范大学学报(自然科学版),2012,30(4):9-11. |
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| 作者姓名： | 马珊珊 |
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| 作者单位： | 南京财经大学应用数学学院,江苏南京,210046 |
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| 摘 要： | 借鉴数论方法中的密率论及微积分工具，研究了数论中的首位数问题．探讨了首位数在自然数集合中的对数密度，并给出了证明．最后利用Matlab软件作出其规律图像．
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| 关 键 词： | 首位数 对数密度 自然数集合 Matlab |
A question about the natural number's density |
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| Ma Shanshan.A question about the natural number's density[J].Journal of Xuzhou Normal University(Natural Science Edition),2012,30(4):9-11. |
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| Authors: | Ma Shanshan |
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| Institution: | Ma Shanshan(School of Applied Mathematics,Nanjing University of Finance & Economics,Nanjing 210046,Jiangsu,China) |
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| Abstract: | Using the density and the calculus tools in number theory as a reference, the question about first number in number theory is analyzed, the logarithmic density of first number in natural number is proved, and its image of regularity is described by using the Matlab software. |
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| Keywords: | first number logarithmic density natural number set Matlab |
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