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maninblack11新虫 (正式写手)
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[求助]
还是曲线拟合啦，版主大人，好人做到底啦。 已有1人参与
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 如图，有13和16这两条曲线  16： x： 0 0.218 0.292 0.36 0.43 0.485 0.7 1.273 1.87 2.43 y： 0 0.578034682 0.809716599 0.952380952 1.038961039 1.136363636 1.526717557 1.628664495 1.643835616 1.677148847 13： x： 0 0.104186 0.168015 0.2308145 0.283319 0.340971 0.38987225 0.44155315 0.4840715 0.52803115 0.57800308 0.618952472 0.659901864 0.700851256 0.741800648 0.78275004 0.823699432 0.864648824 0.905598216 0.946547608 0.987497 1.021516828 1.055536655 1.089556483 1.12357631 1.157596138 1.191615965 1.225635793 1.25965562 1.293675448 1.327695275 y： 0 0.925925926 1.176470588 1.298701299 1.418439716 1.479289941 1.556420233 1.606610053 1.677148847 1.731768328 1.759819794 1.809162917 1.852446464 1.890722081 1.924811368 1.955365523 1.982907339 2.007861368 2.030575962 2.051339633 2.070393375 2.102007417 2.131597051 2.159350693 2.185434082 2.209993591 2.233158975 2.255045665 2.275756689 2.295384299 2.314011339 |
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feixiaolin
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11楼2015-03-23 19:57:53
feixiaolin
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Function: y = p1+p2*Exp(-0.5*((x-p3)/p4)^2) Algorithms: 麦夸特法(Levenberg-Marquardt) + 通用全局优化法 Root of Mean Square Error (RMSE): 0.032948874836587 Sum of Square Error (SSE): 0.0108562835299707 Correlation Coef. (R): 0.997975525925407 R-Square: 0.995955150346093 Determination Coef. (DC): 0.995955150317095 Parameters Name Parameter Value =============== =============== p1 1.65817496353822 p2 -2.10051718332553 p3 -0.323948286632281 p4 -0.468696506803406 ======== 输出结果 ========= No. Observed Y Calculated Y 1 0 0.00395991150545205 2 0.578034682 0.581710230095881 3 0.809716599 0.772443730315409 4 0.952380952 0.933861302023555 5 1.038961039 1.0821613468525 6 1.136363636 1.18451889738722 7 1.526717557 1.46501043790677 8 1.628664495 1.65184437875285 9 1.643835616 1.65813829152025 10 1.677148847 1.65817489664013 Function: y = Sqr((p1+p3*x+p5*x^2)/(1+p2*x+p4*x^2)) Algorithms: 麦夸特法(Levenberg-Marquardt) + 通用全局优化法 Root of Mean Square Error (RMSE): 0.0106806079880363 Sum of Square Error (SSE): 0.00353633699681725 Correlation Coef. (R): 0.999750760483749 R-Square: 0.999501583087834 Determination Coef. (DC): 0.999501553853277 Parameters Name Parameter Value =============== =============== p1 0.0261447281969177 p2 29.756109536137 p3 36.2937975623197 p4 10.2418847958446 p5 23.1414859330889 ======== 输出结果 ========= No. Observed Y Calculated Y 1 0 0.000683546812490703 2 0.925925926 0.928797156798739 3 1.176470588 1.16146957555252 4 1.298701299 1.31167017546989 5 1.418439716 1.40818399753938 6 1.479289941 1.49651128914117 7 1.556420233 1.56184479881857 8 1.606610053 1.6241356058122 9 1.677148847 1.67141011703289 10 1.731768328 1.71728754584353 11 1.759819794 1.76640064603828 12 1.809162917 1.80462267787971 13 1.852446464 1.84128104238447 14 1.890722081 1.87656385962457 15 1.924811368 1.91062228654736 16 1.955365523 1.94357952647626 17 1.982907339 1.97553731571387 18 2.007861368 2.00658067434873 19 2.030575962 2.03678143988693 20 2.051339633 2.06620093260632 21 2.070393375 2.09489199180541 22 2.102007417 2.11820705239158 23 2.131597051 2.1410744689414 24 2.159350693 2.16351524692849 25 2.185434082 2.18554840359753 26 2.209993591 2.20719124154672 27 2.233158975 2.22845956800336 28 2.255045665 2.24936788870694 29 2.275756689 2.26992956250926 30 2.295384299 2.29015694187651 31 2.314011339 2.31006148376471 |
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maninblack113楼2015-03-20 11:52:55
maninblack11
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4楼2015-03-20 13:42:55
maninblack11
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5楼2015-03-21 13:48:37
