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[求助] 求高人帮忙拟合一下数据

Title "Type your title here";
Parameters k1,k2,k3,k4,k5,k6;
Variable   t,a,b,y,c;
ODEFunction   dy/dt =(k5*k1*k2*k6*a*b-k3*k4*y*c^2/k5)/(1+k1*a+k2*b+k3*y+k4*c)^3;
Data;  0        0                9217.932639        2067.941824        0
       10        2422.207576        7738.652987        1874.741285        1308.215669
       20        2558.993302        7930.704798        1356.907348        1528.867601
       30        2617.183399        7755.285835        894.6019704        2029.661002
       60        2889.634245        7433.614039        633.2962259        2339.98013
       90        3001.195592        7415.541727        390.8067372        2537.140377
       120        3070.121703        6955.439713        278.6821497        2762.5663
       180        3647.121842        6999.934053        59.53575274        2898.281427
       240        3449.864551        6765.862624        80.18528487        2875.798334
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