www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/VaryCircleSizeandColorExample.m

    %% Fill the Markers
% Create a scatter plot and fill in the markers. |scatter| fills each marker 
% using the color of the marker edge.

x = linspace(0,3*pi,200);
y = cos(x) + rand(1,200);
sz = 25;
c = linspace(1,10,length(x));
scatter(x,y,sz,c,'filled')