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//Parameters ; A,k //Variable ; t,c //Function ; c=A+k*t^(1/2) Data; //t c 2 0.414 5 0.374 7 0.324 10 0.286 15 0.261 20 0.243 30 0.246 ÓÃ1stoptÄâºÏ²»³öÀ´£¬»¹Çë´óÉñ´Í½Ì£»Èç¹ûÊÇÓà x/y=-1/(k*c^2)+x/cÕâ¸ö·½³Ì(ÆäÖУ¬x£¬yÊDZäÁ¿£»t£¬cÊdz£Êý)£¬ÄâºÏ³öÀ´ÊÇÔõÑùµÄ?? |
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ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
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- ³æºÅ: 3929201
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Parameters t,c; Variable x,y; Function y=x/(x/c-1/k/c^2); Data; //t c 2 0.414 5 0.374 7 0.324 10 0.286 15 0.261 20 0.243 30 0.246 ÓÅ»¯Ëã·¨: Âó¿äÌØ·¨(Levenberg-Marquardt) + ͨÓÃÈ«¾ÖÓÅ»¯·¨ ¼ÆËã½áÊøÔÒò: ´ïµ½ÊÕÁ²Åжϱê×¼ ¾ù·½²î(RMSE): 0.0310082978447107 ²Ð²îƽ·½ºÍ(SSE): 0.00673060174658402 Ïà¹ØÏµÊý(R): 0.8652573175884 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.748670225640273 ¾ö¶¨ÏµÊý(DC): 0.746978012383661 ¿¨·½ÏµÊý(Chi-Square): 0.010809015627057 Fͳ¼Æ(F-Statistic): 14.8941809132551 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- c 0.265004967920105 k 4.96072115494462 |

4Â¥2015-09-18 09:36:41
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Ô1stopt´úÂë²»ÕýÈ·£¬Ð޸ĺóÈçÏ£º ²Ð²îƽ·½ºÍ(SSE): 0.00364310960034405 Ïà¹ØÏµÊý(R): 0.929002371155797 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.863045405613093 ¾ö¶¨ÏµÊý(DC): 0.863045405613093 ¿¨·½ÏµÊý(Chi-Square): 0.00650912448664446 Fͳ¼Æ(F-Statistic): 31.5084502815191 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- A 0.454985633096402 k -0.0445390997126998 ====== ½á¹ûÊä³ö ===== No ʵ²âÖµc ¼ÆËãÖµc 1 0.414 0.3919978 2 0.374 0.3553932 3 0.324 0.3371463 4 0.286 0.3141406 5 0.261 0.2824864 6 0.243 0.2558007 7 0.246 0.2110349 |

2Â¥2015-09-18 09:02:41
lipenggg
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
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Parameters t,c; Variable x,y; Function x/y=-1/(k*c^2)+x/c; y*x/c-y/(k*c^2)=x; Data; //t c 2 0.414 5 0.374 7 0.324 10 0.286 15 0.261 20 0.243 30 0.246 ÓÅ»¯Ëã·¨: ±ê×¼¼òÃæÌåÅÀɽ·¨ + ͨÓÃÈ«¾ÖÓÅ»¯·¨ ¼ÆËã½áÊøÔÒò: ´ïµ½ÊÕÁ²Åжϱê×¼ ¾ù·½²î(RMSE): 1.87843884503453 ²Ð²îƽ·½ºÍ(SSE): 24.6997274617427 Ïà¹ØÏµÊý(R): 0.167347209343138 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.0280050884749361 ¾ö¶¨ÏµÊý(DC): -100 ¿¨·½ÏµÊý(Chi-Square): -2.15580983142895 Fͳ¼Æ(F-Statistic): 0.144059851254756 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- c 0.231744454099593 k 2.74130792074984 ====== Êä³ö½á¹û ===== ÓÅ»¯Ëã·¨: ±ê×¼¼òÃæÌåÅÀɽ·¨ + ͨÓÃÈ«¾ÖÓÅ»¯·¨ ¼ÆËã½áÊøÔÒò: ´ïµ½ÊÕÁ²Åжϱê×¼ ¾ù·½²î(RMSE): 0.624946809669908 ²Ð²îƽ·½ºÍ(SSE): 2.73390960441617 Ïà¹ØÏµÊý(R): 0.00782851873702973 Ïà¹ØÏµÊý֮ƽ·½(R^2): 6.12857056160256E-5 ¾ö¶¨ÏµÊý(DC): -100 ¿¨·½ÏµÊý(Chi-Square): -6.24125576034483 Fͳ¼Æ(F-Statistic): 0.000306447308919689 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- c 0.233900556052233 k 2.91983296241447 |

3Â¥2015-09-18 09:25:11













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