用matlab 将一组数据进行正态分布拟合
x=[-2,-1.7,-1.4,-1.1,-0.8,-0.5,-0.2,0.1,0.4,0.7,1.0,1.3,1.6,1.9,2.2,2.5,2.8,3.1,3.4,3...
x=[-2,-1.7,-1.4,-1.1,-0.8,-0.5,-0.2,0.1,0.4,0.7,1.0,1.3,1.6,1.9,2.2,2.5,2.8,3.1,3.4,3.7,4.0,4.3,4.6,4.9];
y=[0.10289,0.11741,0.13158,0.14483,0.15656,0.16622,0.17332,0.17750,0.17853,0.17635,0.17109,0.16302,0.15255,0.14020,0.12655,0.11219,0.09768,0.08353,0.07015,0.05876,0.04687,0.03729,0.02914,0.02236]; 展开
y=[0.10289,0.11741,0.13158,0.14483,0.15656,0.16622,0.17332,0.17750,0.17853,0.17635,0.17109,0.16302,0.15255,0.14020,0.12655,0.11219,0.09768,0.08353,0.07015,0.05876,0.04687,0.03729,0.02914,0.02236]; 展开
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2023-08-15 广告
通常情况下，我们会按照结构模型把系统产生的数据分为三种类型：结构化数据、半结构化数据和非结构化数据。结构化数据，即行数据，是存储在数据库里，可以用二维表结构来逻辑表达实现的数据。最常见的就是数字数据和文本数据，它们可以某种标准格式存在于文件...
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