level 3
wminice
楼主
DSolve[{\[Mu] A[x] - \[Mu] S[x] - \[Beta] S[x] B[x]/\[Phi] (B[x]) -
p S[x] ==
0, (1 - \[Omega]) \[Beta] S[
x] B[x]/\[Phi] (B[x]) - (\[Mu] + \[Alpha]) F[x] == 0,
\[Omega] \[Beta] S[x] B[x]/\[Phi] (B[x]) + \[Alpha] F[
x] - (\[Mu] + \[Eta] + \[Delta] + \[Gamma]) B[x] == 0}, {S[x],
B[x], F[x]},
x]
可行域为S[x] >= 0, B[x] >= 0, F[x] >= 0, S[x] + B[x] + F[x] <= A
2021年09月25日 09点09分
1
p S[x] ==
0, (1 - \[Omega]) \[Beta] S[
x] B[x]/\[Phi] (B[x]) - (\[Mu] + \[Alpha]) F[x] == 0,
\[Omega] \[Beta] S[x] B[x]/\[Phi] (B[x]) + \[Alpha] F[
x] - (\[Mu] + \[Eta] + \[Delta] + \[Gamma]) B[x] == 0}, {S[x],
B[x], F[x]},
x]
可行域为S[x] >= 0, B[x] >= 0, F[x] >= 0, S[x] + B[x] + F[x] <= A
