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=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112];
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];

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

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, MATLAB中如何在一个图中显示多条离散曲线一个x,两个y(y1和y2),x,y1,y2都是离散的点,怎么样将拟合的图像显示在一张图上.用MATLAB, x=1.25:1.25:10; y=[49.03,122.58,245.18,328.33,304.01,245.17,155.44,101.99]如何用matlab指数拟合? 用matlab拟合指数形式的曲线比如已知多组点(x,y),它符合指数表达式 ,怎么把表达式求出来我的题目中x=[30 300 500 800];y=[1750 1600 950 500];通过这些数据拟合出上面给出的指数形式公式,求具体程序. 如何用matlab做指数拟合x=[1982 1992 2002]y=[103.5 34.5 23.3]欲求x=2012时的y值~在线等~MATLAB程序 matlab求方程系数已知方程：y=A*e（Bx）+C,e表示自然指数,（Bx）是指数相.其中x=[0,15,180 ,300 ,420,540,720 ,900 ,1080,1260,1440],y=[0,51.5,66.5,69.5,71,71.5,73,73.5,74.5,74.5,75],求A,B,C,最好附上matlab拟合的语言及拟 origin 拟合如何在拟合图上显示参数表, 求微分方程y'=e^(x-2y)的通解.[ (x-2y)是e的指数 ] 师兄师姐们,用Origin8.0分段线性拟合是怎么做到的?用Origin8.0分段线性拟合是怎么做到的?如果变量是X和Y,但是坐标轴却是他们的自然指数e的幂,作图时是直接添加列计算出来自然指数在选中计怎么用SPSS拟合曲线给定数据,1.用双曲线1/y = a+b/x作曲线拟合,2.用指数曲线y = aeb/x 作曲线拟合求y=e^x-e^-x/2图像.怎么画?最好附带图片谢谢如何在matlab用最小二乘拟合求方程参数a b,已有x,y数据集,方程如图 matlab图像的三维拟合问题用matlab可以获得一幅图片的二维数组,我想讲整幅图像的变化规律用函数拟合出来,函数的形式如下z=p(1).*exp(p(2).*x.*x+p(3).*y.*y)+p(4),其中p为参数矩阵,求大神告知应该用怎样用MATHEMATICA拟合指数函数?如给你几个点..要你求y=a*x的b次里的a,b还有y=a-(a-6.39)*e的-kx次里的a和k 求y=1+x*e^y 导数如题用MATLAB 最小二乘法拟合指数曲线最小二乘法拟合指数函数y=cx^nx=[2448,4976,7464,12440,24880,49760]y=[2.010 ,3.073,3.91,5.375,8.336,12.693] 希望用y=x*(1-exp(m*(x-1)/2)拟合出m值,能否利用取对数进行线性拟合?有20组（x,y)数据,希望用y=x*(1-exp(m*(x-1)/2)拟合出m值,请问能否利用取对数进行线性拟合?如果不能的话是不是因为无法分离变量x,e origin 拟合要拟合成Y=a*(X^b)的形式,请问用origin里的哪个函数拟合?