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ÎÒÔÚÓÃ1stopt¶Ô¸ÉÔï·½³Ì½øÐÐÄâºÏʱ£¬Ã¿´Î¼ÆËãÖ®ºóËùµÃ³£Êý¶¼»á·¢Éú±ä»¯£¬ÊýÖµ²»Îȶ¨¡£ËùÓ÷½³ÌΪ¾Ñé·½³Ì¿ÉÄܳöÏÖ¹ýÄâºÏÇé¿ö¡£Çë´óÀаïæ¿´Ò»Ï£¬ÊÇÎÒÈí¼þ°æ±¾µÍµÄÇé¿öÂð£¿ÂíÉÏ¿ì±ÏÒµÁË£¬±È½Ï¼±Çó´óÀÐÖ¸µãÍò·Ö¸Ðл¡£ Variable t,m; Parameters a,k,b,g,c,h; Function m=a*exp(-k*t)+b*exp(-g*t)+c*exp(-h*t); Data; 1 0.761468058 2 0.572266754 3 0.429168622 4 0.306584911 5 0.221415875 6 0.153590152 7 0.104075754 8 0.066698653 9 0.038105337 9.5 0.028177319 µÚÒ»´Î¼ÆËãÄâºÏ "Type your title here" µü´úÊý: 144 ¼ÆËãÓÃʱ(ʱ:·Ö:Ãë:΢Ãë): 00:00:05:264 ÓÅ»¯Ëã·¨: ׼ţ¶Ù·¨(BFGS) + ͨÓÃÈ«¾ÖÓÅ»¯·¨ ¼ÆËã½áÊøÔÒò: ´ïµ½ÊÕÁ²Åжϱê×¼ ¾ù·½²î(RMSE): 0.00167811805641684 ²Ð²îƽ·½ºÍ(SSE): 2.81608021127223E-5 Ïà¹ØÏµÊý(R): 0.999974701263212 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.999949403166451 ¾ö¶¨ÏµÊý(DC): 0.99994940316645 ¿¨·½ÏµÊý(Chi-Square): 4.48676514663589E-5 Fͳ¼Æ(F-Statistic): 158104.6611854 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- a -3.91637356524864 k 0.409125168268213 b 4.93177468581318 g 0.374949664548045 c -0.0267488857371107 h -0.0180087835359877 ====== ½á¹ûÊä³ö ===== No ʵ²âÖµm ¼ÆËãÖµm 1 0.761468058 0.7611145 2 0.572266754 0.5741946 3 0.429168622 0.4253856 4 0.306584911 0.3095410 5 0.221415875 0.2208491 6 0.153590152 0.1538050 7 0.104075754 0.1036216 8 0.066698653 0.0663422 9 0.038105337 0.0388043 10 0.028177319 0.0278935 µÚ¶þ´Î¼ÆËãÄâºÏ "Type your title here" µü´úÊý: 196 ¼ÆËãÓÃʱ(ʱ:·Ö:Ãë:΢Ãë): 00:00:05:617 ÓÅ»¯Ëã·¨: ׼ţ¶Ù·¨(BFGS) + ͨÓÃÈ«¾ÖÓÅ»¯·¨ ¼ÆËã½áÊøÔÒò: ´ïµ½ÊÕÁ²Åжϱê×¼ ¾ù·½²î(RMSE): 0.00167811998989461 ²Ð²îƽ·½ºÍ(SSE): 2.81608670048389E-5 Ïà¹ØÏµÊý(R): 0.999974701204915 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.999949403049858 ¾ö¶¨ÏµÊý(DC): 0.999949403049858 ¿¨·½ÏµÊý(Chi-Square): 4.48675487738193E-5 Fͳ¼Æ(F-Statistic): 158104.296839769 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- a -0.0267533848791293 k -0.0179991625982107 b -3.88507793264088 g 0.409264735572213 c 4.90048287680716 h 0.374841529171177 ====== ½á¹ûÊä³ö ===== No ʵ²âÖµm ¼ÆËãÖµm 1 0.761468058 0.7611144 2 0.572266754 0.5741946 3 0.429168622 0.4253856 4 0.306584911 0.3095410 5 0.221415875 0.2208491 6 0.153590152 0.1538051 7 0.104075754 0.1036217 8 0.066698653 0.0663422 9 0.038105337 0.0388043 10 0.028177319 0.0278935 µÚÈý´Î¼ÆËãÄâºÏ "Type your title here" µü´úÊý: 201 ¼ÆËãÓÃʱ(ʱ:·Ö:Ãë:΢Ãë): 00:00:05:610 ÓÅ»¯Ëã·¨: ׼ţ¶Ù·¨(BFGS) + ͨÓÃÈ«¾ÖÓÅ»¯·¨ ¼ÆËã½áÊøÔÒò: ´ïµ½ÊÕÁ²Åжϱê×¼ ¾ù·½²î(RMSE): 0.00167810849402698 ²Ð²îƽ·½ºÍ(SSE): 2.81604811772551E-5 Ïà¹ØÏµÊý(R): 0.999974701551534 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.99994940374308 ¾ö¶¨ÏµÊý(DC): 0.999949403743079 ¿¨·½ÏµÊý(Chi-Square): 4.48681005484139E-5 Fͳ¼Æ(F-Statistic): 158106.463142428 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- a -0.0267168568795642 k -0.0180845713175149 b -4.08185733520843 g 0.408430070251824 c 5.09722825774971 h 0.37550527538769 ====== ½á¹ûÊä³ö ===== No ʵ²âÖµm ¼ÆËãÖµm 1 0.761468058 0.7611144 2 0.572266754 0.5741945 3 0.429168622 0.4253857 4 0.306584911 0.3095411 5 0.221415875 0.2208491 6 0.153590152 0.1538050 7 0.104075754 0.1036216 8 0.066698653 0.0663422 9 0.038105337 0.0388044 10 0.028177319 0.0278935 |
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Ó¦¸ÃÒ»Öµģ¬Ö»ÊÇ˳Ðò²»Í¬¶øÒÑ£¨¹«Ê½ÖÐÈý¸ö²¿·ÖÐÎʽÊÇÒ»ÑùµÄ£©£¬ÁíÍâÖ¸ÊýÊýÖµ¼ÆË㣬ÓпÉÄܳöÏÖ¼ÆË㾫¶È²îÒì¡£ Root of Mean Square Error (RMSE): 0.00167798458106697 Sum of Squared Residual: 2.81563225429849E-5 Correlation Coef. (R): 0.999974705287561 R-Square: 0.999949411214945 Adjusted R-Square: 0.999934957276358 Determination Coef. (DC): 0.999949411214944 Parameter Best Estimate ---------- ------------- a 84.9030954163188 k 0.390313878805315 b -83.8883211096539 g 0.392092581899161 c -0.0261161738829758 h -0.0196386740358328 |
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