4楼: Originally posted by dingd at 2013-05-18 14:51:23
下面结果：

均方差(RMSE): 0.000146373546404172
残差平方和(SSE): 3.21378226304017E-7
相关系数(R): 0.999344140247213
相关系数之平方(R^2): 0.998688710646442
确定系数(DC): 0.998629517158618
F统计( ...

Variable x,y;
ODEFunction y'=r^2/(0.75904*y)*(0.0608*cos(t)/r - 9212*y);
Data;
x=[0,3600,7200,10800,14400,18000,21600,32400,39600,46800,86400,100800,129600,173520,216000,259200];
y=[0.001,0.002,0.003,0.0035,0.004,0.0045,0.005,0.006,0.0065,0.007,0.009,0.01,0.011,0.0125,0.014,0.0145];