Question on distinguish lines in graph
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function Math462HW4Q4partbb
V=1;
k01=1/3;
k02=1/2;
k21=2/3;
k12=3/2;
tspan=1:1:10;
x1=0;
x2=0;
y=x1/V;
vector=[x1,x2,y];
%Apply the function ode45
[t,x]=ode45(@(t,vector)derivativefunc(t,vector,V,k01,k02,k21,k12), tspan,vector);
plot(t,x); %Plot solutions out.
xlabel('time');
ylabel('our solution');
title('Solution of logistic equation');
%We are trying to express xdot which is the given equation in the question.
function ddt=derivativefunc(~,x12y,V,k01,k02,k21,k12)
x1=x12y(1);
x2=x12y(2);
y=x12y(3);
x1dot=15+k12*x2-(k01+k21)*x1;
x2dot=k21*x1-(k02+k12)*x2;
Y=x1/V;
ddt=[x1dot;x2dot;Y];
end
end
In my code, I have three variables, which are x1,x2, and y. When I graphed it, MATLAB gives me three lines with different color, now I am having trouble in figuring out which line corresponds to which variable. Can someone help me with this?
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