Figures & data
Table 1. Possible changes in population level u k (t) for k > 1 for time Δ t.
Table 2. Possible changes in population level u 1(t) for time Δ t.
Table 3. Possible changes in population level u j, k (t) for j > 1 in time Δ t.
Table 4. Possible changes in population level u 1, k (t) in time Δ t.
Figure 2. Calculated distribution of populations levels at time t = 0.5 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(10) and Equation(11)
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![Figure 2. Calculated distribution of populations levels at time t = 0.5 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(10) and Equation(11).](/cms/asset/acae1494-cd17-4b42-b8ad-de9b37faf0cb/tjbd_a_316441_o_f0002g.jpg)
Figure 3. Calculated distribution of average size at time t = 0.5 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(10) and Equation(11)
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![Figure 3. Calculated distribution of average size at time t = 0.5 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(10) and Equation(11).](/cms/asset/60a5698a-b88b-4dd7-9930-c73ce19fcf55/tjbd_a_316441_o_f0003g.jpg)
Table 5. Monte Carlo (MC) and SPDEs Equation(10)
and Equation(11)
calculational results at time t = 0.5.
Figure 4. Calculated distribution of populations levels at time t = 1.0 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(21) and Equation(22)
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![Figure 4. Calculated distribution of populations levels at time t = 1.0 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(21) and Equation(22).](/cms/asset/df9fcb20-7287-43a1-a182-f881d17a845b/tjbd_a_316441_o_f0004g.jpg)
Figure 5. Calculated distribution of average size at time t = 1.0 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(21) and Equation(22)
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![Figure 5. Calculated distribution of average size at time t = 1.0 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(21) and Equation(22).](/cms/asset/aa39dcbf-d640-4f05-a368-d6d7b8f2f13f/tjbd_a_316441_o_f0005g.jpg)
Figure 6. Calculated distribution of average age at time t = 1.0 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(21) and Equation(22)
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![Figure 6. Calculated distribution of average age at time t = 1.0 for 500 sample paths using Monte Carlo (MC) and the SPDE Equation(21) and Equation(22).](/cms/asset/a7a4b99e-f6fc-44b3-84f5-5bb5e4804797/tjbd_a_316441_o_f0006g.jpg)