# Reset counters n = 0 changew, changeb = 1,1 # Run loop for daisy earth. while (n < mf.maxn) and (changew > mf.tol) and (changeb > mf.tol): # Store the initial cover fractions sw, sb = alphaw, alphab # Planetary albedo planet_albedo = mf.albedo(alphaw, alphab, alphag, mf.aw, mf.ab, mf.ag) # Planetary temperature T = mf.planetary_temp(mf.S, planet_albedo, L=L) # Local temperature Tw = mf.local_temp(planet_albedo, mf.aw, T) Tb = mf.local_temp(planet_albedo, mf.ab, T) # Birth rate betaw = mf.beta(Tw) betab = mf.beta(Tb) # Change in daisies dawdt = mf.daisy_replicator(alphaw, alphag, betaw, gamma) dabdt = mf.daisy_replicator(alphab, alphag, betab, gamma) # Integrate alphaw = mf.euler(alphaw, dawdt) alphab = mf.euler(alphab, dabdt) alphag = mf.p - alphaw - alphab n += 1 # Store the output alphaw_out[i] = alphaw alphab_out[i] = alphab temp_out[i] = T
changew, changeb = 1, 1 # Run loop for daisy earth. while (n < mf.maxn) and (changew > mf.tol) and (changeb > mf.tol): # Store the initial cover fractions sw, sb = alphaw, alphab # Planetary albedo planet_albedo = mf.albedo(alphaw, alphab, alphag, mf.aw, mf.ab, mf.ag) # Planetary temperature T = mf.planetary_temp(mf.S, planet_albedo, L=L) # Local temperature Tw = mf.local_temp(planet_albedo, mf.aw, T) Tb = mf.local_temp(planet_albedo, mf.ab, T) # Birth rate betaw = mf.beta(Tw, optimum=w_opt) betab = mf.beta(Tb, optimum=b_opt) # Change in daisies dawdt = mf.daisy_replicator(alphaw, alphag, betaw, mf.gamma) dabdt = mf.daisy_replicator(alphab, alphag, betab, mf.gamma) # Integrate alphaw = mf.euler(alphaw, dawdt) alphab = mf.euler(alphab, dabdt) alphag = mf.p - alphaw - alphab n += 1 # Store the output alphaw_out[i] = alphaw alphab_out[i] = alphab temp_out[i] = T