我用的1stOpt1.5,运行不了 |
5 条回复
不加参数范围限制是多解吧: 1: Root of Mean Square Error (RMSE): 0.861916469270659 Sum of Squared Residual: 5.9432 Correlation Coef. (R): 0.994574791909564 R-Square: 0.989179016701953 Adjusted R-Square: -100 Determination Coef. (DC): 0.720385791578452 F-Statistic: 2.81062390630477 Parameter Best Estimate -------------------- ------------- a -0.920000000131286 d 0.00215199437839528 e 9.30197983494068 2: Root of Mean Square Error (RMSE): 0.861916469270659 Sum of Squared Residual: 5.94319999999999 Correlation Coef. (R): 0.994574791909564 R-Square: 0.989179016701953 Adjusted R-Square: -100 Determination Coef. (DC): 0.720385791578453 F-Statistic: 2.81062391243984 Parameter Best Estimate -------------------- ------------- a -0.919999987155263 d 6169.13434945662 e 5684.90352224713 3: Root of Mean Square Error (RMSE): 0.861916469270659 Sum of Squared Residual: 5.94319999999999 Correlation Coef. (R): 0.994574791909564 R-Square: 0.989179016701952 Adjusted R-Square: -100 Determination Coef. (DC): 0.720385791578453 F-Statistic: 2.81062391409793 Parameter Best Estimate -------------------- ------------- a -0.919999997015804 d -2.03160989956708 e 7.43091889439226 。。。 |
shihe 发表于 2020-5-24 10:24 大佬,请问,我输进去,为啥不能运算呀 |
盗版的原因? |
shihe 发表于 2020-5-24 14:05 Parameters a,b,d,e,f,g; Variable c,n,t,E; Function a*t+a*b+d*t*c*n+e*c*n+(f*t*c*n+g*c*n)^2=E; Data; 0.5 1 10 1.14846 0.5 1 20 1.48459 0.5 1 30 1.76471 0.5 1 40 2.54902 Data; 0.75 2 10 0.7563 0.75 2 20 0.92437 0.75 2 30 1.23249 0.75 2 40 1.93277 Data; 1 1 10 0.72829 1 1 20 1.0084 1 1 30 1.2605 1 1 40 2.04482 Data; 1.25 2 10 0.33613 1.25 2 20 0.58824 1.25 2 30 0.70028 1.25 2 40 1.14846 Data; 0 0 10 3.47339 0 0 20 5.12605 0 0 307.84314 0 0 40 12.88515 说函数表达式问题,可以帮我看看吗,大佬 |
如果用的是正版,那应该去问问开发商到底是什么原因。 均方差(RMSE): 1.91669538395467 残差平方和(SSR): 73.4744238974627 相关系数(R): 0.891994004119651 相关系数之平方(R^2): 0.795653303385408 修正R平方(Adj. R^2): 1.5446825956867 确定系数(DC): -1.82346093066259 F统计(F-Statistic): -0.15939487790809 参数 最佳估算 -------------------- ------------- a -0.0189812606639661 b -337.701507495627 d 0.0952494127921868 e -8.84906141516256 f -0.0119052880389281 g 1.63024163511916 |
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