(12C) Weibull Distribution Parameter Calculation - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Software Libraries (/forum-10.html) +--- Forum: General Software Library (/forum-13.html) +--- Thread: (12C) Weibull Distribution Parameter Calculation (/thread-14537.html) |
(12C) Weibull Distribution Parameter Calculation - Gamo - 02-19-2020 09:19 AM For more information follow this post at https://www.hpmuseum.org/forum/thread-14536.html Procedure: Clear Statistic Register on each new problem f [∑] n [R/S] display Data Count Enter Data [R/S] display 1, 2, 3,....,n 0 [R/S] display β [R/S] ϴ // input 0 "Activate Final Calculations" β value type of failure meaning β < 1 infant mortality high probability of failing at early stages β =1 random failures failures are independent of time 1 < β < 4 early wear out can be due to generic failure modes, such as corrosion β > 4 rapid wear out steep curve with fast wear out at some point Example: f [∑] [FIX] 2 Xi: 34, 60, 75, 95, 119, 158 (hours to failure) (Xi's must be entered in incresing order.) n=6 β=1.95 ϴ=104.09 f [∑] 6 [R/S] display 6.00 34 [R/S] display 1.00 60 [R/S] display 2.00 75 [R/S] display 3.00 95 [R/S] display 4.00 119 [R/S] display 5.00 158 [R/S] display 6.00 0 [R/S] display answer 1.95 [R/S] display answer 104.09 Program: Code:
Remark: This program used the [L.R.] function on program line between 28 - 35 Gamo 2/2020 |