1.0 1.0 1.0 1.0 1.0 0.2 0.2 ((a * R_N) - (R_N * b * W_N)) ((R_N * d * W_N) - (c * W_N)) ((x > 0.0) * (x < 10.0) * (y > 0.0) * (y < 1.0)) (0.5 * (x > 0.0) * (x < 10.0) * (y > 9.0) * (y < 10.0)) J_predation R_N_diffusionRate R_N_init J_wolfgrowth W_N_diffusionRate W_N_init 10.0 2.0 5.0 1.0 5.0 3.0 r=1, w=.5 0.01 0.01 r=1, w=.5