multiple graphs for two or more functions for different values in different color

n=2; y1=0.5 (q.^2*n-5*q.^n+(2*q-1).^(n+3)) y2=0.5(q.^2*n-7*q.^n+2*(2*q-1).^(n+4))

i want to plot the graphs(in one figure) of above two or more functions for the different values of q>=2 for example these values can be q=2,3,,4,5

Answer 1

[madhan ravi]

n=2;

q=2:5

y1=0.5.*(q.^2.*n-5.*q.^n+(2.*q-1).^(n+3))

y2=0.5.*(q.^2.*n-7.*q.^n+2.*(2.*q-1).^(n+4))

y3=(1/12).*(4.*q.^n-1-9*q.^n + 3.*(2.*q-1).^(n+9))

y4=2.*(q.^n-2).*(q.^2*n-3.*q.^n+(2*q-1).^n + 1)

y5=0.5.*(q.^2.*n-4.*q.^n-(2.*q-1).^n+3)
subplot(5,1,1)
plot(q,y1,'-r','LineWidth', 2)

subplot(5,1,2)

plot(q,y2,'-b','LineWidth', 2)
subplot(5,1,3)
plot(q,y3,'-k','LineWidth', 2)
subplot(5,1,4)
plot(q,y4,'-y','LineWidth', 2)
subplot(5,1,5)
plot(q,y5,'-g','LineWidth', 2)

[Shahid Rafiq]

thanks dear but when i have five functions like this y1,y2,y3,y4,y5 the hold on command is not working i receive just two graphs

[madhan ravi]

It should work , otherwise you are not using it properly

[Shahid Rafiq]

no i just getting two graphs if i select one by one, i receive each graph but multiple graphs are not obtained in a single finger

[madhan ravi]

Upload the code you are trying here

[Shahid Rafiq]

close all;

clear all;

format longEng

n=2;

q=2:5

y1=0.5*(q.^2.*n-5.*q.^n+(2.*q-1).^(n+3))

y2=0.5*(q.^2.*n-7.*q.^n+2*(2.*q-1).^(n+4))

y3=(1/12)*(4*q.^n-1-9*q.^n + 3*(2*q-1).^(n+9))

y4=2*(q.^n-2)*(q.^2*n-3*q.^n+(2*q-1).^n + 1)

y5=0.5*(q.^2*n-4*q.^n-(2*q-1).^n+3)

plot(q,y1,'-r','LineWidth', 2)

hold on

plot(q,y2,'-b','LineWidth', 2)

plot(q,y3,'-k','LineWidth', 2)

plot(q,y4,'-y','LineWidth', 2)

plot(q,y5,'-g','LineWidth', 2)

hold off

[madhan ravi]

See the edited answer by the way you were not able to see because the plots overlapped oeach other

[Shahid Rafiq]

dear but my requirement still not solved.

these graphs are separate but i want these 5 graphs in a single figure indicating each color description

[madhan ravi]

If you see them carefully they lie on each other so how can you distinguish them?

[Shahid Rafiq]

ok. thanks. what about their caption and legend

[madhan ravi]

xlabel('x') Same for y

legend('1','2','3','4','5')