I would like to solve two nonlinear ode equations with variables coefficients with initial conditions. Below given my exact problem. This code is not giving answer.

odes_systems = {I1'[ t] == (1 - k1*t + ((k1*t)^2)/2)*(b11*I1[t] + b21*I2[t]) - (r1 + d1)*I1[t],

I2'[t] == (1 - k2*t + ((k2*t)^2)/2)*(b12*I1[t] + b22*I2[t]) - (r2 +d2)*I2[t]};

initial_condition = {I1[0] == 1, I2[0] == 1};

sol = DSolve[Join[eqn, iv], {I1, I2}, t]

where t is variables. Would be grateful if I get this solutions.

More Kalyanasundaram Madhu's questions See All
Similar questions and discussions