[ Diff(x[1], t) = ((-1)*k[2]*x[1]^2/(x[1]^2 + k[6]^2) + 1*(1 - k[17])*(k[7] + (1 - x[3])*k[1]*x[2]^2/(x[2]^2 + k[9]^2)*x[1]^2/(x[1]^2 + k[13]^2))*x[5] + 1*k[12]*(k[10] + k[11]^8/(x[5]^8 + k[11]^8)) + (-1)*k[15]*x[1]^2/(x[1]^2 + k[14]^2) + (-1)*k[19]*x[1]^4/(x[1]^4 + k[20]^4) + 1*k[18]*x[6]/(x[6] + 1/100))/k[21],
  Diff(x[2], t) = (1*k[8]*x[1] + (-1)*k[3]*x[2])/k[21],
  Diff(x[3], t) = (1*k[4]*x[1]^4/(x[1]^4 + k[16]^4)*(1 - x[3]) + (-1)*k[5]*x[3])/k[21],
  Diff(x[4], t) = 0/k[22],
  Diff(x[5], t) = (1*k[2]*x[1]^2/(x[1]^2 + k[6]^2) + (-1)*(1 - k[17])*(k[7] + (1 - x[3])*k[1]*x[2]^2/(x[2]^2 + k[9]^2)*x[1]^2/(x[1]^2 + k[13]^2))*x[5] + (-1)*k[17]*(k[7] + (1 - x[3])*k[1]*x[2]^2/(x[2]^2 + k[9]^2)*x[1]^2/(x[1]^2 + k[13]^2))*x[5])/k[23],
  Diff(x[6], t) = (1*k[19]*x[1]^4/(x[1]^4 + k[20]^4) + (-1)*k[18]*x[6]/(x[6] + 1/100) + 1*k[17]*(k[7] + (1 - x[3])*k[1]*x[2]^2/(x[2]^2 + k[9]^2)*x[1]^2/(x[1]^2 + k[13]^2))*x[5])/k[24] ]