第八届数学建模认证杯网络挑战赛A题优秀论文队

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九．参考文献

[1]王永富，不确定机械问题建模与控制补偿，机械工业出版社，2013. [2]杨丹， SPSS 宝典，北京：电子工业出版社，2013.

[3]姜文锋张书杰，浅谈绳结检验方法，中国刑警学院学报，2012. [4]王正林刘明陈连贯，精通 MATLAB，电子工业出版社，2013. [5]邱明钱亚明，摩擦学原理与设计，国防工业出版社，2013.

十. 附录

在 5.2 解法中，使用 Matlab 编写的程序：

摩擦力

>>x1=[0.011,0.024,0.047,0.070,0.093,0.126,0.164,0.211,0.255,0.303,0.3 57,0.415,0.474,0.537,0.601,0.660,0.723,0.782,0.846,0.905,0.974,1.043,

1.112,1.176,1.245,1.313,1.377,1.446];

>>y1=[0.301,0.274,0.250,0.223,0.197,0.174,0.150,0.130,0.114,0.100,0.0 89,0.077,0.069,0.061,0.054,0.048,0.042,0.038,0.034,0.030,0.026,0.023, 0.019,0.015,0.013,0.011,0.008,0.005];

>>y2=[0.241,0.215,0.192,0.173,0.150,0.133,0.115,0.090,0.077,0.065,0.0 57,0.050,0.044,0.040,0.036,0.033,0.030,0.027,0.024,0.021,0.018,0.016, 0.014,0.012,0.010,0.008,0.006,0.004]; >> cftool

直径

>>x1=[0.295,0.503,0.729,0.937,1.215,1.493,1.788,2.083,2.396,2.691,3.0

03,3.368,3.715,4.063,4.444,4.826];

>>y1=[0.468,0.724,0.958,1.172,1.343,1.493,1.644,1.783,1.912,2.009,2.0

96,2.184,2.389,2.283,2.318,2.341]

>>y2=[0.438,0.700,0.932,1.145,1.317,1.460,1.609,1.748,1.870,1.968,2.0

54,2.143,2.197,2.240,2.273,2.299];

>>cftool

软硬

>>x1=[18.7,35.9,52.4,67.4,77.8,89.8,100.3,110.8,119.8,134.7,154.2,172 .1,200.6,217.1,235.0,253.0];

>>y1=[0.109,0.199,0.299,0.435,0.598,0.897,1.250,1.567,1.839,2.119,2.2 64,2.364,2.500,2.500,2.500,2.500];

>>y2=[0.145,0.290,0.444,0.634,0.824,1.114,1.404,1.784,2.020,2.210,2.3 28,2.409,2.500,2.500,2.500,2.500]; >>cftool