菜鸟求救,请大侠指点 - MATLAB爱好者论坛-LabFans.com

xiezhh · 2008-10-18, 12:05

不就是求最大似然估计吗，以下代码即可

x=[134.6,139.7,142,139.1,137.8,133.7,150.1,159.4,138.3,145.2,163.6,138.1,138.5,146.9,145.4];
[mn,mnci]=mle(x,'distribution','weibull')

结果（mn为参数估计结果，mnci的两列分别为相应的置信区间）：

mn =

147.7382 15.3725

mnci =

142.6437 10.7835
153.0146 21.9144

2008-10-18, 12:05	#2
xiezhh 普通会员注册日期: 2007-08-07 帖子: 64 声望力: 20	回复: 菜鸟求救,请大侠指点不就是求最大似然估计吗，以下代码即可 x=[134.6,139.7,142,139.1,137.8,133.7,150.1,159.4,138.3,145.2,163.6,138.1,138.5,146.9,145.4]; [mn,mnci]=mle(x,'distribution','weibull') 结果（mn为参数估计结果，mnci的两列分别为相应的置信区间）： mn = 147.7382 15.3725 mnci = 142.6437 10.7835 153.0146 21.9144