code for plot figure

Question

Mariam Gasra 2019-4-15

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/456382-code-for-plot-figure

评论： Mariam Gasra 2019-4-15

lamda=0.2;
mu=1-lamda;
P1=mu^2/(mu+lamda)^2;
P2=2*lamda*mu/(mu+lamda)^2;
P3=lamda^2/(mu+lamda)^2;
display(P1);
display(P2);
display(P3);
for t=1:5:100
P11(t)=((mu+lamda)^2)-( 2*lamda)*((mu-lamda)*exp(-(mu-lamda)*t)-mu+(lamda*exp(-2*(mu+lamda)*t)))-(lamda^2)*(2*exp(-mu*t)-2*exp(-(mu+lamda)*t)+1-exp(-2*(mu+lamda)*t));
P22(t)=((-2*lamda)*(mu-lamda)*exp(-(mu+lamda)*t)/(lamda+mu)^2)+(2*lamda*mu/(lamda+mu)^2)-2*(lamda)^2*exp(-2*(mu+lamda)*t);
P33(t)=(lamda^2)/(lamda+mu)*((2*exp(-2*mu*t))-(2*exp(-(mu+lamda)*t))-exp(-2*(mu+lamda)*t)+1);
end
A=P11;
B=P33;
C=P22;
display(A);
display(B);
display(C);

i want tp Plot A,B,C with respect to t

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Answer 1

KSSV 2019-4-15

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/456382-code-for-plot-figure#answer_370657

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lamda=0.2;
mu=1-lamda;
P1=mu^2/(mu+lamda)^2;
P2=2*lamda*mu/(mu+lamda)^2;
P3=lamda^2/(mu+lamda)^2;
display(P1);
display(P2);
display(P3);
t = 1:5:100 ;
P11 = zeros(size(t)) ; 
P22 = zeros(size(t)) ; 
P33 = zeros(size(t)) ; 
for i = 1:length(t)    
    P11(i)=((mu+lamda)^2)-( 2*lamda)*((mu-lamda)*exp(-(mu-lamda)*t(i))-mu+(lamda*exp(-2*(mu+lamda)*t(i))))-(lamda^2)*(2*exp(-mu*t(i))-2*exp(-(mu+lamda)*t(i))+1-exp(-2*(mu+lamda)*t(i)));
    P22(i)=((-2*lamda)*(mu-lamda)*exp(-(mu+lamda)*t(i))/(lamda+mu)^2)+(2*lamda*mu/(lamda+mu)^2)-2*(lamda)^2*exp(-2*(mu+lamda)*t(i));
    P33(i)=(lamda^2)/(lamda+mu)*((2*exp(-2*mu*t(i)))-(2*exp(-(mu+lamda)*t(i)))-exp(-2*(mu+lamda)*t(i))+1);
end
A=P11;
B=P33;
C=P22;
plot(t,A,t,B,t,C)
legend({'A','B','C'})