請問各位前輩,我用下列語法想要解一組聯立非線性常微分方程組,但是程式回傳
DSolve::dvnoarg:The function N1 appears with no arguments>>
語法如下:
DSolve[{
{N1'==g1*ND1+(-g1+NA*r1)*N1-r1*N1*N1-r1*N1*N2,
N2'==g2*ND2+(-g2+NA*r2)*N2-r2*N2*N2-r2*N1*N2},
N1[0]==ND1i,N2[0]==ND2i
},{N1,N2},t]
請問要如何解這組方程組,非常感謝。