[MATLAB数学相关] 急请教：正态分布曲线拟合问题

[olivetianqin]

大家好，有个问题请教一下：有h,mu两组数据，以h为横坐标，mu为纵坐标，做出来的图形有点类似于正态分布，但不是，希望可以用一个正态分布，来拟合它，失真一点没关系，有些点也可以外加处理，主要是希望得到个正态分布的拟合，强调下失真点没关系，对于h在-10——10之间的数据可以根据正态分布的需要进行处理，请问该怎么解决呢？谢谢！

数据如下：

h=[-9000,-8000,-7000,-6000,-5000,-4000,-3000,-2000,-1100,-1000,-900,-800,-700,-600,-500,-400,-300,-250,-200,-160,-140,-120,-100,-90,-80,-70,-60,-46,-36,-30,-25,-20,-17,-15,-13,-11,-10,-9,-8,-7,-6.30000000000000,0,6.30000000000000,7,8,9,10,11,13,15,17,20,25,30,36,46,60,70,80,90,100,120,140,160,200,250,300,400,500,600,700,800,900,1000,1100,2000,3000,4000,5000,6000,7000,8000,9000];


mu=[5.00000000000000e-06,7.50000000000000e-06,1.00000000000000e-05,1.00000000000000e-05,1.50000000000000e-05,2.00000000000000e-05,2.50000000000000e-05,3.50000000000000e-05,6.25000000000000e-05,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000150000000000000,0.000200000000000000,0.000300000000000000,0.000325000000000000,0.000375000000000000,0.000750000000000000,0.000750000000000000,0.000750000000000000,0.00100000000000000,0.00150000000000000,0.00250000000000000,0.00300000000000000,0.00541666700000000,0.00583333300000000,0.00933333300000000,0.0140000000000000,0.0230000000000000,0.0350000000000000,0.0475000000000000,0.0600000000000000,0.102500000000000,0.130000000000000,0.145000000000000,0.145000000000000,0.117142857000000,0.0809523810000000,0.0476190480000000,0.0809523810000000,0.117142857000000,0.145000000000000,0.145000000000000,0.130000000000000,0.102500000000000,0.0600000000000000,0.0475000000000000,0.0350000000000000,0.0230000000000000,0.0140000000000000,0.00933333300000000,0.00583333300000000,0.00541666700000000,0.00300000000000000,0.00250000000000000,0.00150000000000000,0.00100000000000000,0.000750000000000000,0.000750000000000000,0.000750000000000000,0.000375000000000000,0.000325000000000000,0.000300000000000000,0.000200000000000000,0.000150000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,6.25000000000000e-05,3.50000000000000e-05,2.50000000000000e-05,2.00000000000000e-05,1.50000000000000e-05,1.00000000000000e-05,1.00000000000000e-05,7.50000000000000e-06,5.00000000000000e-06];

[myci]

作者: olivetianqin

大家好，有个问题请教一下：有h,mu两组数据，以h为横坐标，mu为纵坐标，做出来的图形有点类似于正态分布，但不是，希望可以用一个正态分布，来拟合它，失真一点没关系，有些点也可以外加处理，主要是希望得到个正态分布的拟合，强调下失真点没关系，对于h在-10——10之间的数据可以根据正态分布的需要进行处理，请问该怎么解决呢？谢谢！

数据如下：

h=[-9000,-8000,-7000,-6000,-5000,-4000,-3000,-2000,-1100,-1000,-900,-800,-700,-600,-500,-400,-300,-250,-200,-160,-140,-120,-100,-90,-80,-70,-60,-46,-36,-30,-25,-20,-17,-15,-13,-11,-10,-9,-8,-7,-6.30000000000000,0,6.30000000000000,7,8,9,10,11,13,15,17,20,25,30,36,46,60,70,80,90,100,120,140,160,200,250,300,400,500,600,700,800,900,1000,1100,2000,3000,4000,5000,6000,7000,8000,9000];


mu=[5.00000000000000e-06,7.50000000000000e-06,1.00000000000000e-05,1.00000000000000e-05,1.50000000000000e-05,2.00000000000000e-05,2.50000000000000e-05,3.50000000000000e-05,6.25000000000000e-05,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000150000000000000,0.000200000000000000,0.000300000000000000,0.000325000000000000,0.000375000000000000,0.000750000000000000,0.000750000000000000,0.000750000000000000,0.00100000000000000,0.00150000000000000,0.00250000000000000,0.00300000000000000,0.00541666700000000,0.00583333300000000,0.00933333300000000,0.0140000000000000,0.0230000000000000,0.0350000000000000,0.0475000000000000,0.0600000000000000,0.102500000000000,0.130000000000000,0.145000000000000,0.145000000000000,0.117142857000000,0.0809523810000000,0.0476190480000000,0.0809523810000000,0.117142857000000,0.145000000000000,0.145000000000000,0.130000000000000,0.102500000000000,0.0600000000000000,0.0475000000000000,0.0350000000000000,0.0230000000000000,0.0140000000000000,0.00933333300000000,0.00583333300000000,0.00541666700000000,0.00300000000000000,0.00250000000000000,0.00150000000000000,0.00100000000000000,0.000750000000000000,0.000750000000000000,0.000750000000000000,0.000375000000000000,0.000325000000000000,0.000300000000000000,0.000200000000000000,0.000150000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,0.000100000000000000,6.25000000000000e-05,3.50000000000000e-05,2.50000000000000e-05,2.00000000000000e-05,1.50000000000000e-05,1.00000000000000e-05,1.00000000000000e-05,7.50000000000000e-06,5.00000000000000e-06];

呵呵 在matlab里用确定函数进行拟合我还不太会，不过我可以在告诉函数情况下用fortran最小二乘法拟合！