I have 6 vectors which I want to plot. How I can make each plot with different color (random)? With the code below, the plot limited to one color for all six vectors.
plot(x,y,'-rs','LineWidth',1,...
'MarkerEdgeColor','k',...
'MarkerFaceColor','g',...
'MarkerSize',5);
You can have PLOT automatically choose line colors for you. If all 6 of your vectors are the same length, you can put the x and y coordinates into N-by-6 matrices X
and Y
and pass these to PLOT . A different color will be used for each column:
plot(X,Y,'-s'); %# Plots lines with square markers
You could also use some of the built-in colormaps to generate a set of colors, then use these when you plot each line separately. For example:
cmap = hsv(6); %# Creates a 6-by-3 set of colors from the HSV colormap
for i = 1:6 %# Loop 6 times
plot(X(:,i),Y(:,i),'-s','Color',cmap(i,:)); %# Plot each column with a
%# different color
end
To create a random color map, you could do the following
myMap = rand(nbColors, 3);
for i = 1:nbColors
plot(X(:,i),Y(:,i),'-s','Color',myMap(i,:));
end
However, as I stated in my comment to gnovice's answer, picking colors out of a colormap generally provides much more readable color combinations.
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