1.0 1.0 1.0 1.0 10.0 5.0 ((a * R_N) - (R_N * b * W_N)) ((R_N * d * W_N) - (c * W_N)) J_predation R_N_init J_wolfgrowth W_N_init default value a=b=c=d=1.0 Now a= 10.0 c=5.0 10.0 5.0 default value a=b=c=d=1.0 Now a= 10.0 c=5.0 a=b=c=d=1.0 a=b=c=d=1.0 initially rabbit=80 wolf=40 40.0 5.0 80.0 3.0 initially rabbit=80 wolf=40 15.0 5.0 2.0 10.0 20.0 1.5 7.0 1.0 1.0