plot for different values

Dear all

I would like to plot X and y axes values for different values of p

P=X. /y
x=4:4:20
y=2:4:20
I want plots for different values of p 
p=0.3
P=0.4
P=0.8
Kindly guide me

Thanking in advance

Lincy

[Azzi Abdelmalek]

plot what?

Answer 1

[Mischa Kim]

Lincy, you mean probably something like

 x = 4:4:20;
 p = [0.3; 0.4; 0.8];
 y = bsxfun(@rdivide, x, p);
 plot(x,y)

Given x and p compute y.