this is my Matlab code for lemur and plant population simulation. But i didn't get the...

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this is my Matlab code for lemur and plant populationsimulation. But i didn't get the right graph.
R(1,1)=35; % Initial pop of males
R(2,1)=35; % Initial pop of females
P(3,1)=200000; % Iniitial pop of plants
r(1)=1.01; % Growth rate of male pop
r(2)=1.01; % Growth rate of female pop
r(3)=1.10; % Growth rate of plants
K(1)=800; % Carrying capacity for male pop
K(2)=600; % carrying capacity for female pop
K(3)=7500000; % carrying capacity for plants
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E=65; % Plants per animal
A=150000; % Animal 'Plant needs'
NW=200; % Weeks for simulation
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for m=2:NW
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P(3,m)=(r(3)P(3,m-1)((K(3)-P(3,m-1))/K(3))) -(ER(m));
R(m-1)=R(1,m-1)+ R(2,m-1);
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R(1,m)=(r(1)R(1,m-1)(K(1)-R(1,m-1))P(3,m-1))/(K(1)A);
R(2,m)=(r(2)R(2,m-1)(K(2)-R(2,m-1))P(3,m-1))/(K(2)*A);

end
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subplot(1,2,1)
plot(1:NW,R(1,1:NW),1:NW,R(2,1:NW))
xlabel('Month')
ylabel('population')
legend('male','female')
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subplot(1,2,2)
plot(1:NW,P(3,1:NW))
xlabel('Month')
ylabel('Plant population')
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Answer & Explanation Solved by verified expert

4.1 Ratings (538 Votes)

i guessed there are two problems with this code i There is direct assignment to the third row of P matrix The first two rows of P matrix are zeros So there is no need of the first two rows Instead of P3m you can use See Answer

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