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拟合方程y=ax2(2是指数)数据为x=(9,9,9,11,11,11,13,13,13,15,15,15,17,17,17,)y=(1.99,2,2.01,1.93,1.95,1.96,1.84,1.86,1.89,1.75,1.79,1.83,1.65,1.72,1.78)
题目详情
拟合方程 y=ax2 (2是指数)数据为
x=(9,9,9,11,11,11,13,13,13,15,15,15,17,17,17,)
y=(1.99,2,2.01,1.93,1.95,1.96,1.84,1.86,1.89,1.75,1.79,1.83,1.65,1.72,1.78)
x=(9,9,9,11,11,11,13,13,13,15,15,15,17,17,17,)
y=(1.99,2,2.01,1.93,1.95,1.96,1.84,1.86,1.89,1.75,1.79,1.83,1.65,1.72,1.78)
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答案和解析
x=[9,9,9,11,11,11,13,13,13,15,15,15,17,17,17];
y=[1.99,2,2.01,1.93,1.95,1.96,1.84,1.86,1.89,1.75,1.79,1.83,1.65,1.72,1.78];
a=x'.^2\y'
y=[1.99,2,2.01,1.93,1.95,1.96,1.84,1.86,1.89,1.75,1.79,1.83,1.65,1.72,1.78];
a=x'.^2\y'
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