| 5 | 1/1 | 返回列表 |
| 查看: 740 | 回復(fù): 2 | ||||
| 當(dāng)前只顯示滿足指定條件的回帖,點(diǎn)擊這里查看本話題的所有回帖 | ||||
bg0east新蟲 (初入文壇)
|
[求助]
1stopt 微分方程數(shù)據(jù)擬合求助 已有1人參與
|
|||
|
代碼如下: Parameter b1, b2, b3, b4; Variable x, y; ODEFunction y'=0.001*b3-(y/b1)^b2 *b3-(y/b1)^(b2-1)*b4/b1*b3 DataFile "CodeSheet1[A1:B27]"; //Press F2 to view data 數(shù)據(jù)見附件,多謝先! |
新蟲 (初入文壇)
主管區(qū)長 (職業(yè)作家)
![]() |
專家經(jīng)驗(yàn): +1059 |
|
Root of Mean Square Error (RMSE): 8.08398907127184 Residual Sum of Squares (SSE): 2091.22813774216 Correlation Coef. (R): 0.998652058700909 R-Square: 0.997305934347565 Determination Coef. (DC): 0.997004327699384 F-Statistic: 2908.86039638179 Parameters Best Estimate -------------------- ------------- b1 65726.5347698722 b2 -2.86969203064131 b3 -0.00574926776698071 b4 559.843140932705 ====== Output Results ===== File: Data file - 1 No Obs. y Cal. y 1 513 499.966124334547 2 558 532.063700692123 3 607 590.036631538515 4 635 636.355901922696 5 670 676.764333806462 6 695 703.106016472069 7 723 733.137193055944 8 747 755.565582488483 9 765 776.329652868411 10 793 798.195338713362 11 810 814.256131562792 12 838 835.766754254898 13 845 848.153789626046 14 873 862.612409855305 15 884 877.225267353007 16 895 891.299648257148 17 905 902.430510407337 18 916 916.479655827076 19 933 929.862016863361 20 944 940.854808625361 21 954 949.707418242262 22 969 961.668817185868 23 976 971.55123175092 24 986 981.118733642333 25 993 991.912613342909 26 1000 1000.87160792104 27 1010 1009.57894001842 28 1010 1018.05050222379 29 1030 1027.65510194984 30 1030 1035.66336683093 31 1030 1038.28899536714 |

| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 材料學(xué)學(xué)碩080502 337求調(diào)劑-一志愿華中科技大學(xué) +4 | 順順順mr 2026-03-18 | 5/250 |
|
|---|---|---|---|---|
|
[考研] 085601調(diào)劑 358分 +3 | zzzzggh 2026-03-20 | 4/200 |
|
|
[考研] 求調(diào)劑 +6 | Mqqqqqq 2026-03-19 | 6/300 |
|
|
[考研] 南昌大學(xué)材料專碩311分求調(diào)劑 +6 | 77chaselx 2026-03-20 | 6/300 |
|
|
[考研] 332求調(diào)劑 +4 | ydfyh 2026-03-17 | 4/200 |
|
|
[考研] 華東師范大學(xué)-071000生物學(xué)-293分-求調(diào)劑 +3 | 研究生何瑤明 2026-03-18 | 3/150 |
|
|
[考研] 一志愿西南交大,求調(diào)劑 +5 | 材化逐夢人 2026-03-18 | 5/250 |
|
|
[考研] 22408 344分 求調(diào)劑 一志愿 華電計(jì)算機(jī)技術(shù) +4 | solanXXX 2026-03-20 | 4/200 |
|
|
[考研] 324求調(diào)劑 +5 | lucky呀呀呀鴨 2026-03-20 | 5/250 |
|
|
[考研]
|
然11 2026-03-19 | 4/200 |
|
|
[考研] 260求調(diào)劑 +3 | 朱芷琳 2026-03-20 | 3/150 |
|
|
[考研] 353求調(diào)劑 +3 | 拉鉤不許變 2026-03-20 | 3/150 |
|
|
[考研] 工科材料085601 279求調(diào)劑 +7 | 困于星晨 2026-03-17 | 9/450 |
|
|
[考研] 0856調(diào)劑,是學(xué)校就去 +8 | sllhht 2026-03-19 | 9/450 |
|
|
[考研] 085410人工智能專碩317求調(diào)劑(0854都可以) +4 | xbxudjdn 2026-03-18 | 4/200 |
|
|
[考研] 266求調(diào)劑 +5 | 陽陽哇塞 2026-03-14 | 10/500 |
|
|
[考研] 085600材料與化工求調(diào)劑 +6 | 緒幸與子 2026-03-17 | 6/300 |
|
|
[考研] 【同濟(jì)軟件】軟件(085405)考研求調(diào)劑 +3 | 2026eternal 2026-03-18 | 3/150 |
|
|
[考研] 277材料科學(xué)與工程080500求調(diào)劑 +3 | 自由煎餅果子 2026-03-16 | 3/150 |
|
|
[考研] 本科南京大學(xué)一志愿川大藥學(xué)327 +3 | 麥田耕者 2026-03-14 | 3/150 |
|