Problem in Plot diagrams

I want to draw three diagram in one plot and mark them with three different shape such as line, dash, star...

the number of my data is high so the star diagram is very bad.(the up green diagram in picture that i sent)

how i can plot a beautiful star diagram? please see the attachment

Answer 1

[Alessandro Masullo]

I cannot see your attachment, but you can use any char you wish for your plot, just using text instead of plot:

x = linspace(0,1);
y = x.^2;
figure,plot(x,y,'*')
figure,text(x,y,'f')
figure,text(x,y,'@')