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超级丐中丐金虫 (小有名气)
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[求助]
请问三元函数的拟合，在不知道函数形式的情况下，如何用1stopt实现
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我想用数据拟合三元函数，但是不知道函数形式，貌似1stopt的自动搜索功能只能拟合二元的，请高手指点一下用1stopt怎么实现三元函数的拟合，以下是我的数据 ug Q' j P 5.8 11.06618281 5 1 5.8 11.06618281 10 5 5.8 11.06618281 15 7 5.8 11.06618281 20 26 5.8 11.06618281 25 33 5.8 11.06618281 30 21 5.8 11.06618281 35 5 5.8 11.06618281 40 2 5.8 11.06618281 45 1 6.82 12.6020868 5 3 6.82 12.6020868 10 7 6.82 12.6020868 15 10 6.82 12.6020868 20 23 6.82 12.6020868 25 26 6.82 12.6020868 30 17 6.82 12.6020868 35 7 6.82 12.6020868 40 4 6.82 12.6020868 45 3 7.63 13.03452075 5 4 7.63 13.03452075 10 8 7.63 13.03452075 15 12 7.63 13.03452075 20 15 7.63 13.03452075 25 17 7.63 13.03452075 30 21 7.63 13.03452075 35 12 7.63 13.03452075 40 5 7.63 13.03452075 45 3 7.63 13.03452075 50 2 7.63 13.03452075 55 1 8.58 13.05753565 5 4 8.58 13.05753565 10 9 8.58 13.05753565 15 11 8.58 13.05753565 20 15 8.58 13.05753565 25 16 8.58 13.05753565 30 21 8.58 13.05753565 35 15 8.58 13.05753565 40 3 8.58 13.05753565 45 3 8.58 13.05753565 50 2 8.58 13.05753565 55 1 9.42 12.28032813 5 4 9.42 12.28032813 10 11 9.42 12.28032813 15 11 9.42 12.28032813 20 14 9.42 12.28032813 25 16 9.42 12.28032813 30 17 9.42 12.28032813 35 15 9.42 12.28032813 40 5 9.42 12.28032813 45 3 9.42 12.28032813 50 2 9.42 12.28032813 55 1 9.42 12.28032813 60 1 5.8 12.12954898 5 2 5.8 12.12954898 10 9 5.8 12.12954898 15 13 5.8 12.12954898 20 23 5.8 12.12954898 25 26 5.8 12.12954898 30 16 5.8 12.12954898 35 5 5.8 12.12954898 40 3 5.8 12.12954898 45 1 6.82 13.49005478 5 5 6.82 13.49005478 10 12 6.82 13.49005478 15 12 6.82 13.49005478 20 16 6.82 13.49005478 25 17 6.82 13.49005478 30 19 6.82 13.49005478 35 11 6.82 13.49005478 40 3 6.82 13.49005478 45 2 6.82 13.49005478 50 2 6.82 13.49005478 55 1 7.63 13.9788715 5 4 7.63 13.9788715 10 10 7.63 13.9788715 15 13 7.63 13.9788715 20 15 7.63 13.9788715 25 15 7.63 13.9788715 30 19 7.63 13.9788715 35 12 7.63 13.9788715 40 5 7.63 13.9788715 45 3 7.63 13.9788715 50 3 7.63 13.9788715 55 1 8.58 13.63059494 5 3 8.58 13.63059494 10 9 8.58 13.63059494 15 12 8.58 13.63059494 20 16 8.58 13.63059494 25 15 8.58 13.63059494 30 20 8.58 13.63059494 35 16 8.58 13.63059494 40 3 8.58 13.63059494 45 2 8.58 13.63059494 50 2 8.58 13.63059494 55 1 8.58 13.63059494 60 1 9.42 12.6185563 5 4 9.42 12.6185563 10 11 9.42 12.6185563 15 11 9.42 12.6185563 20 12 9.42 12.6185563 25 16 9.42 12.6185563 30 17 9.42 12.6185563 35 15 9.42 12.6185563 40 7 9.42 12.6185563 45 3 9.42 12.6185563 50 2 9.42 12.6185563 55 1 9.42 12.6185563 60 1 5.8 12.96491415 5 4 5.8 12.96491415 10 10 5.8 12.96491415 15 14 5.8 12.96491415 20 19 5.8 12.96491415 25 23 5.8 12.96491415 30 15 5.8 12.96491415 35 5 5.8 12.96491415 40 4 5.8 12.96491415 45 3 5.8 12.96491415 50 2 5.8 12.96491415 55 1 6.82 14.22780982 5 6 6.82 14.22780982 10 12 6.82 14.22780982 15 13 6.82 14.22780982 20 13 6.82 14.22780982 25 15 6.82 14.22780982 30 18 6.82 14.22780982 35 12 6.82 14.22780982 40 4 6.82 14.22780982 45 1 6.82 14.22780982 50 2 6.82 14.22780982 55 2 6.82 14.22780982 60 1 7.63 14.50326362 5 5 7.63 14.50326362 10 11 7.63 14.50326362 15 12 7.63 14.50326362 20 15 7.63 14.50326362 25 16 7.63 14.50326362 30 17 7.63 14.50326362 35 13 7.63 14.50326362 40 6 7.63 14.50326362 45 2 7.63 14.50326362 50 1 7.63 14.50326362 55 1 7.63 14.50326362 60 1 8.58 14.05544251 5 3 8.58 14.05544251 10 9 8.58 14.05544251 15 11 8.58 14.05544251 20 14 8.58 14.05544251 25 16 8.58 14.05544251 30 19 8.58 14.05544251 35 16 8.58 14.05544251 40 6 8.58 14.05544251 45 3 8.58 14.05544251 50 1 8.58 14.05544251 55 1 8.58 14.05544251 60 1 9.42 12.95075585 5 4 9.42 12.95075585 10 10 9.42 12.95075585 15 10 9.42 12.95075585 20 13 9.42 12.95075585 25 17 9.42 12.95075585 30 16 9.42 12.95075585 35 15 9.42 12.95075585 40 8 9.42 12.95075585 45 3 9.42 12.95075585 50 2 9.42 12.95075585 55 1 9.42 12.95075585 60 1 [ Last edited by 超级丐中丐 on 2012-11-18 at 23:30 ] |
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