x,y如图片上显示,用e指数拟合,求y随x的变化关系,画出原数据散点图和拟合曲线图.matlab程序是什么x=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,
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![x,y如图片上显示,用e指数拟合,求y随x的变化关系,画出原数据散点图和拟合曲线图.matlab程序是什么x=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,](/uploads/image/z/2998800-0-0.jpg?t=x%2Cy%E5%A6%82%E5%9B%BE%E7%89%87%E4%B8%8A%E6%98%BE%E7%A4%BA%2C%E7%94%A8e%E6%8C%87%E6%95%B0%E6%8B%9F%E5%90%88%2C%E6%B1%82y%E9%9A%8Fx%E7%9A%84%E5%8F%98%E5%8C%96%E5%85%B3%E7%B3%BB%2C%E7%94%BB%E5%87%BA%E5%8E%9F%E6%95%B0%E6%8D%AE%E6%95%A3%E7%82%B9%E5%9B%BE%E5%92%8C%E6%8B%9F%E5%90%88%E6%9B%B2%E7%BA%BF%E5%9B%BE.matlab%E7%A8%8B%E5%BA%8F%E6%98%AF%E4%BB%80%E4%B9%88x%3D%5B1%2C2%2C3%2C4%2C5%2C6%2C7%2C8%2C9%2C10%2C11%2C12%2C13%2C14%2C15%2C16%2C17%2C18%2C19%2C20%2C21%2C22%2C23%2C24%2C25%2C26%2C27%2C28%2C29%2C30%2C31%2C32%2C33%2C34%2C35%2C36%2C37%2C38%2C39%2C40%2C41%2C42%2C43%2C)
x,y如图片上显示,用e指数拟合,求y随x的变化关系,画出原数据散点图和拟合曲线图.matlab程序是什么x=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,
x,y如图片上显示,用e指数拟合,求y随x的变化关系,画出原数据散点图和拟合曲线图.matlab程序是什么
x=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112];
y=[82,6082,5966,1005,879,397,446,282,496,211,103,145,226,339,648,62,49,77,10,133,2279,7105,24416,40868,27120,37130,108961,161235,213826,293258,237517,247004,207884,232531,145405,106058,78244,27551,104,261,5150,18954,14314,8978,5831,2973,2523,1071,619,495,6,0,0,85,444,181,25,46,322,155,363,98,43,102,58,29,6,0,0,0,0,0,0,0,81,69,12,33,62,78,34,167,230,283,394,735,837,1552,2332,1820,13,0,1397,31376,58926,55349,45309,29259,41348,37837,48518,43995,7148,37,59,4257,14339,11994,1139,739,2655,1722];
x,y如图片上显示,用e指数拟合,求y随x的变化关系,画出原数据散点图和拟合曲线图.matlab程序是什么x=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,
General model Gauss4:
f(x) =
a1*exp(-((x-b1)/c1)^2) + a2*exp(-((x-b2)/c2)^2) +
a3*exp(-((x-b3)/c3)^2) + a4*exp(-((x-b4)/c4)^2)
where x is normalized by mean 56.5 and std 32.48
Coefficients (with 95% confidence bounds):
a1 = 1.782e+005 (1.017e+005, 2.547e+005)
b1 = -0.8246 (-0.8422, -0.8071)
c1 = 0.06889 (0.04866, 0.08913)
a2 = 1.578e+005 (1.004e+005, 2.153e+005)
b2 = -0.7026 (-0.7283, -0.6768)
c2 = 0.08578 (0.05463, 0.1169)
a3 = 6.616e+004 (-5194, 1.375e+005)
b3 = -0.8067 (-0.8735, -0.7399)
c3 = 0.196 (0.1253, 0.2668)
a4 = 5.019e+004 (4.148e+004, 5.889e+004)
b4 = 1.275 (1.254, 1.297)
c4 = 0.1508 (0.1206, 0.181)
Goodness of fit:
SSE: 7.878e+009
R-square: 0.9793
Adjusted R-square: 0.977
RMSE: 8876