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´úÂëÈçÏ£º Parameter p1,p2,p3,p4; Variable t,x1,x2,x3,x4; ODEFunction x2'=(x3/270)*(x1-x2)-p1*exp((-p2+p3*96485*(x4-p4))/(8.314*363))*x2^2; data; t,x1,x2,x3,x4; 0.1 165 69 100.00 361.00 0.3 115 71 110.00 356.00 0.5 103 62 112.50 358.00 0.7 150 69 118.75 380.00 0.9 128 95 112.50 380.00 1.1 140 63 100.00 383.00 1.3 110 36 100.00 383.00 1.5 103 33 118.75 370.00 1.7 96 31 137.50 367.00 1.9 70 25 100.00 356.00 2.1 83 31 125.00 373.00 2.3 90 81 137.50 363.00 2.5 100 88 125.00 353.00 2.7 112 60 137.50 346.00 2.9 119 35 137.50 353.00 3.1 66 30 112.50 353.00 3.3 70 35 125.00 373.00 3.5 160 63 112.50 370.00 3.7 147 74 112.50 370.00 3.9 140 86 112.50 373.00 4.1 108 76 107.50 373.00 4.3 109 79 75.00 363.00 4.5 76 50 125.00 353.00 4.7 79 47 131.00 363.00 4.9 82 43 112.00 362.00 5.1 136 61 135.00 373.00 5.3 145 69 125.00 363.00 5.5 143 52 110.00 366.00 5.7 159 63 125.00 370.00 5.9 178 76 100.00 370.00 6.1 112 56 100.00 360.00 6.3 121 70 81.25 364.00 6.5 152 47 112.50 363.00 6.7 157 60 100.00 373.00 6.9 162 82 93.75 383.00 7.1 170 63 118.75 363.00 7.3 62 49 112.50 291.00 7.5 83 78 112.50 356.00 7.7 227 95 137.50 359.00 7.9 226 75 125.00 360.00 8.1 223 47 125.00 355.00 8.3 116 44 143.75 366.00 8.5 130 70 143.75 370.00 |
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Â¥Ö÷µÄ¹«Ê½Ã÷ÏÔÓÐÎÊÌ⣺ p1*exp((-p2+p3*96485*(x4-p4))/(8.314*363)) ÍêÈ«µÈͬÓÚ£º exp((-p2+p3*96485*(x4))/(8.314*363)) p1ºÍp4¶àÓ࣬ȥµôºóЧ¹ûÊÇÒ»ÑùµÄ£¬·ñÔò¹ýÄâºÏ£¬²ÎÊý×éÖµ²»Î¨Ò»¡£ ¼ÆËãÓÃʱ(ʱ:·Ö:Ãë:΢Ãë): 00:01:01:312 ¾ù·½²î(RMSE): 17.9229682919401 ²Ð²îƽ·½ºÍ(SSE): 13491.7772805435 Ïà¹ØÏµÊý(R): 0.290562575469603 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.0844266102635286 ÐÞÕýRƽ·½(Adj. R^2): 0.0374741287385814 È·¶¨ÏµÊý(DC): 0.0816922624187681 Fͳ¼Æ(F-Statistic): 2.44181044608464 ²ÎÊý ×î¼Ñ¹ÀËã -------------------- ------------- p2 20003.4712902898 p3 0.000151432517221469 |
2Â¥2016-11-07 21:01:17
yejianling
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3Â¥2016-11-08 11:35:41














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