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330319740

金虫 (初入文坛)

应助: 0 (幼儿园)
金币: 1119
帖子: 15
在线: 29.4小时
虫号: 3070799
注册: 2014-03-19
性别: GG
专业: 无机非金属材料

[求助] ３自变量，１因变量非线性拟合

请教各位大神：
１个因变量y,３个自变量，X1，X2，X3，想要拟合出y与X1，X2，X3之间的函数关系式，具体的表达形式也不清楚，
可以用什么软件？本人新手一枚具体怎么操作？该怎么编程？具体数据如下：
Ｘ１　　　　Ｘ２　　　　Ｘ３　　Ｙ　　　
0.000003 2000000000 0.7 2139926.6
0.000003 2000000000 1 2624232.4
0.000003 2000000000 1.5 3261614
0.000003 2000000000 2 3752621.9
0.000003 2000000000 2.5 4143299
0.000003 2000000000 3 4462181.6
0.000003 4000000000 0.7 2546893.4
0.000003 4000000000 1 3018004.1
0.000003 4000000000 1.5 3639406.1
0.000003 4000000000 2 4118926.6
0.000003 4000000000 2.5 4501024.6
0.000003 4000000000 3 4812716.5
0.000003 5000000000 0.7 2743806.6
0.000003 5000000000 1 3208539.4
0.000003 5000000000 1.5 3822066.4
0.000003 5000000000 2 4296074.8
0.000003 5000000000 2.5 4673757.9
0.000003 5000000000 3 4982343.5
0.000003 6000000000 0.7 2936321.3
0.000003 6000000000 1 3394776.1
0.000003 6000000000 1.5 4000573.3
0.000003 6000000000 2 4469115.9
0.000003 6000000000 2.5 4842750.1
0.000003 6000000000 3 5147843.8
0.000003 7000000000 0.7 3124355.9
0.000003 7000000000 1 3576748.8
0.000003 7000000000 1.5 4175255.8
0.000003 7000000000 2 4638305.3
0.000003 7000000000 2.5 5007945.4
0.000003 7000000000 3 5310045.3
0.000003 9000000000 0.7 3487483.2
0.000003 9000000000 1 3928300.5
0.000003 9000000000 1.5 4512509.3
0.000003 9000000000 2 4965378.7
0.000003 9000000000 2.5 5327180.3
0.000003 9000000000 3 5623092.8
0.0000035 2000000000 0.7 2236642.6
0.0000035 2000000000 1 2722377.3
0.0000035 2000000000 1.5 3361603.6
0.0000035 2000000000 2 3853970
0.0000035 2000000000 2.5 4245675.1
0.0000035 2000000000 3 4565082.3
0.0000035 4000000000 0.7 2732559
0.0000035 4000000000 1 3206704.7
0.0000035 4000000000 1.5 3831810.4
0.0000035 4000000000 2 4313940.4
0.0000035 4000000000 2.5 4697811.7
0.0000035 4000000000 3 5011336.7
0.0000035 5000000000 0.7 2971704.2
0.0000035 5000000000 1 3440191.1
0.0000035 5000000000 1.5 4058325.5
0.0000035 5000000000 2 4535360.3
0.0000035 5000000000 2.5 4915739.1
0.0000035 5000000000 3 5225973
0.0000035 6000000000 0.7 3205032.5
0.0000035 6000000000 1 3667956.5
0.0000035 6000000000 1.5 4279253
0.0000035 6000000000 2 4751642.1
0.0000035 6000000000 2.5 5128091.2
0.0000035 6000000000 3 5435725.7
0.0000035 7000000000 0.7 3432686.5
0.0000035 7000000000 1 3890161.9
0.0000035 7000000000 1.5 4494848.5
0.0000035 7000000000 2 4962362
0.0000035 7000000000 2.5 5335472.9
0.0000035 7000000000 3 5640107.2
0.0000035 9000000000 0.7 3871524.7
0.0000035 9000000000 1 4318692.7
0.0000035 9000000000 1.5 4910569.8
0.0000035 9000000000 2 5368960.8
0.0000035 9000000000 2.5 5735245.4
0.0000035 9000000000 3 6034533.6
0.000004 2000000000 0.7 2333555.6
0.000004 2000000000 1 2820680.1
0.000004 2000000000 1.5 3461597.1
0.000004 2000000000 2 3955318.2
0.000004 2000000000 2.5 4348051.1
0.000004 2000000000 3 4668037.6
0.000004 4000000000 0.7 2918749.4
0.000004 4000000000 1 3395900.3
0.000004 4000000000 1.5 4024560
0.000004 4000000000 2 4509365.4
0.000004 4000000000 2.5 4895353.9
0.000004 4000000000 3 5210015
0.000004 5000000000 0.7 3200247.7
0.000004 5000000000 1 3672468
0.000004 5000000000 1.5 4295139.2
0.000004 5000000000 2 4775564.9
0.000004 5000000000 2.5 5158127.7
0.000004 5000000000 3 5470619.6
0.000004 6000000000 0.7 3474563.6
0.000004 6000000000 1 3941933.9
0.000004 6000000000 1.5 4558710
0.000004 6000000000 2 5034832.9
0.000004 6000000000 2.5 5414420.1
0.000004 6000000000 3 5724142.8
0.000004 7000000000 0.7 3741928.6
0.000004 7000000000 1 4204534
0.000004 7000000000 1.5 4815488.7
0.000004 7000000000 2 5287645.1
0.000004 7000000000 2.5 5663807.4
0.000004 7000000000 3 5971258.7
0.000004 9000000000 0.7 4256831.5
0.000004 9000000000 1 4710413.3
0.000004 9000000000 1.5 5310137.3
0.000004 9000000000 2 5774261.2
0.000004 9000000000 2.5 6144663.4
0.000004 9000000000 3 6447225.3
0.0000045 2000000000 0.7 2430710
0.0000045 2000000000 1 2919210.7
0.0000045 2000000000 1.5 3561923.7
0.0000045 2000000000 2 4056736.8
0.0000045 2000000000 2.5 4450427.2
0.0000045 2000000000 3 4771445.3
0.0000045 4000000000 0.7 3105480.8
0.0000045 4000000000 1 3585585.5
0.0000045 4000000000 1.5 4217875.5
0.0000045 4000000000 2 4705184.5
0.0000045 4000000000 2.5 5093058.6
0.0000045 4000000000 3 5409638.6
0.0000045 5000000000 0.7 3429488.7
0.0000045 5000000000 1 3905417
0.0000045 5000000000 1.5 4532596.4
0.0000045 5000000000 2 5016303.1
0.0000045 5000000000 2.5 5401451.8
0.0000045 5000000000 3 5715543.1
0.0000045 6000000000 0.7 3744965.1
0.0000045 6000000000 1 4216810.9
0.0000045 6000000000 1.5 4839011.2
0.0000045 6000000000 2 5318953.8
0.0000045 6000000000 2.5 5701344.8
0.0000045 6000000000 3 6013517.6
0.0000045 7000000000 0.7 4052273.7
0.0000045 7000000000 1 4520117.1
0.0000045 7000000000 1.5 5137266.2
0.0000045 7000000000 2 5613923.2
0.0000045 7000000000 2.5 5993604.2
0.0000045 7000000000 3 6303720
0.0000045 9000000000 0.7 4643515.9
0.0000045 9000000000 1 5103532.2
0.0000045 9000000000 1.5 5711303.4
0.0000045 9000000000 2 6181065.9
0.0000045 9000000000 2.5 6555622.9
0.0000045 9000000000 3 6861462.3
0.000005 2000000000 0.7 2528105.1
0.000005 2000000000 1 3017903.7
0.000005 2000000000 1.5 3662250.4
0.000005 2000000000 2 4158487.8
0.000005 2000000000 2.5 4553035
0.000005 2000000000 3 4874853.1
0.000005 4000000000 0.7 3292846.8
0.000005 4000000000 1 3775865.3
0.000005 4000000000 1.5 4411714.7
0.000005 4000000000 2 4901626.8
0.000005 4000000000 2.5 5291481
0.000005 4000000000 3 5609262.2
0.000005 5000000000 0.7 3659557.2
0.000005 5000000000 1 4139206.4
0.000005 5000000000 1.5 4770775.7
0.000005 5000000000 2 5257613.5
0.000005 5000000000 2.5 5645145.8
0.000005 5000000000 3 5961425.7
0.000005 6000000000 0.7 4016417
0.000005 6000000000 1 4492724.9
0.000005 6000000000 1.5 5120241.4
0.000005 6000000000 2 5604119.5
0.000005 6000000000 2.5 5989386.2
0.000005 6000000000 3 6303871.1
0.000005 7000000000 0.7 4363831.7
0.000005 7000000000 1 4836812.5
0.000005 7000000000 1.5 5460260.7
0.000005 7000000000 2 5941327.6
0.000005 7000000000 2.5 6324466.7
0.000005 7000000000 3 6637050
0.000005 9000000000 0.7 5031865.2
0.000005 9000000000 1 5498461.9
0.000005 9000000000 1.5 6114149.2
0.000005 9000000000 2 6589510.1
0.000005 9000000000 2.5 6968290.9
0.000005 9000000000 3 7277784
0.000006 2000000000 0.7 2723735.9
0.000006 2000000000 1 3215887.1
0.000006 2000000000 1.5 3863527
0.000006 2000000000 2 4362172.7
0.000006 2000000000 2.5 4758700.9
0.000006 2000000000 3 5081827.5
0.000006 4000000000 0.7 3669871.4
0.000006 4000000000 1 4158246.1
0.000006 4000000000 1.5 4800941.5
0.000006 4000000000 2 5295794.7
0.000006 4000000000 2.5 5689525.5
0.000006 4000000000 3 6010340.9
0.000006 5000000000 0.7 4122807
0.000006 5000000000 1 4609354.7
0.000006 5000000000 1.5 5249572.4
0.000006 5000000000 2 5742746.3
0.000006 5000000000 2.5 6135090.2
0.000006 5000000000 3 6454905.6
0.000006 6000000000 0.7 4563198.6
0.000006 6000000000 1 5047865.5
0.000006 6000000000 1.5 5685780.1
0.000006 6000000000 2 6177273.4
0.000006 6000000000 2.5 6568289.4
0.000006 6000000000 3 6887148
0.000006 7000000000 0.7 4991629.4
0.000006 7000000000 1 5474530
0.000006 7000000000 1.5 6110175.4
0.000006 7000000000 2 6599966.3
0.000006 7000000000 2.5 6989707.8
0.000006 7000000000 3 7307648.4
0.000006 9000000000 0.7 5814744.9
0.000006 9000000000 1 6294115.7
0.000006 9000000000 1.5 6925418
0.000006 9000000000 2 7411991.2
0.000006 9000000000 2.5 7799325.3
0.000006 9000000000 3 8115532.8

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