数学建模社区-数学中国
标题:
数模问题求助!!
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作者:
yuanjunjie
时间:
2011-7-10 20:24
标题:
数模问题求助!!
模拟光电管的特性曲线,这是其中的一组数据
x=-1:1:50;
y=[0.005,1.7,3.5,5.5,7.8,9.8,11.5,12.9,14.3,15.8,16.8,17.8,18.7,19.6,20.4,21.1,21.8,22.4,23.1,23.6,24.2,24.7,25.1,25.4,25.7,26.0,26.3,26.5,26.7,27.0,27.2,27.4,27.7,27.9,28.0,28.4,28.8,29.0,29.1,29.4,29.6,29.8,30.1,30.7,30.9,31.0,31.2,31.3,31.9,32.1,32.2,32.4];
用什么样的曲线或函数来模拟才能使向后沿拓后像完整的光电管的伏安特性曲线?
就像下面的图那样
或者像这样的也行
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