求助！1stopt 常微分方程组参数拟合代跑
提前感谢！
Variable t,x,y;
Parameter a(1:4);
//ODEOptions = [SN=20,A=5,P=30];
ODEFunction x'=a1*x*(1-x/0.5033)-a3*y';
y'=a2*y*(1-y/3.0548)-a4*x';
Data;
//t X Y
10.2095722541.955465859
20.217792571.994518683
30.2263282972.034288289
40.2351911472.074785505
50.2443932442.116021236
60.2539471392.158006462
70.2638658262.200752236
80.2741627532.244269683
90.2848518362.288569992
100.2959474792.333664418
110.3074645852.379564273
120.3194185722.426280927
130.3318253922.473825803
140.3447015462.52221037
150.3580641012.571446144
160.371930712.621544678
170.3863196252.672517563
180.4012497232.724376419
190.4167405182.777132893
200.4328121842.830798652
210.4494855762.885385379
220.4667822482.940904767
230.4847244762.997368514
240.5033352773.054788316
250.5226384373.113175863
260.5426585253.172542833
270.5634209233.232900882
280.584951853.294261642
290.6072783783.356636711
300.6304284693.42003765
310.6544309913.484475971
320.6793157473.549963135
330.7051135023.61651054
340.7318560123.684129518
350.7595760463.752831323
360.7883074233.822627126
370.8180850313.893528006
380.8489448663.965544942
390.8809240554.038688805
400.9140608924.11297035
410.9483948654.188400204
420.9839666934.264988863
431.0208183544.342746679
441.0589931214.421683851
451.0985355964.501810418
461.1394917444.583136251
471.1819089294.665671037
481.2258359494.749424278
491.2713230734.834405276
501.318422084.920623126