different colour combinations in matlab

how to plot 20 different points in the plot in 20 different colours?

Answer 1

[Chad Greene]

Use scatter. The syntax is scatter(x,y,Size,Colors). Size is the size of the markers and Colors can be 20 rgb values as in Example 1 here .

Answer 2

[Amir]

Sindhu, use this code:

x=[1:20]./7;
y=sin(x);
hold on
for i=1:length(x)
plot(x(i),y(i),'*',...
    'color', rand(1,3))
end