Change underlying colormap for 'plot', just like in 'area'

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Max
Max 2013-8-8
I'm trying to have a figure with various subplots, showing portfolio composition with area plots and portfolio returns with a normal (line) plots. For the area plot, Matlab is using the default colormap Jet, and I can change this by using
colormap(summer)
for example. Now it makes sense to plot the time series of returns of each assets in the same color as it has in the area plot, however, Matlab always uses the 'line' colormap, which has the problem that it repeats itself after the seventh color, making curves 8 and 9 blue and green like curves 1 and 2. typing colormap(summer), as above, does affect the 'area' command, but not the 'plot' command. I'm working with many subplots, hence a solution that does not have to be applied to every single plot would be best.

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the cyclist
the cyclist 2013-8-8
编辑：the cyclist 2013-8-8
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Max
Max 2013-8-9
here is my code; I am plotting several lines B1, B2, ... in one graph via [B1,B2,B3,...]. When not changing any colormap and using the default 'line' colormap, the colors cycle through without a problem.
clf;
figure(8);
subplot(2,2,1),
area(transpose(Weight)); % this works fine with any colormap
subplot(2,2,2),
plot(ret2tick(PORT),'LineWidth',2,'color','black'); hold on
plot(ret2tick([B1,B2,B3,B4,B5,B6,B7,B8,B9]),'--'); % this does not
Max
Max 2013-8-9
I now got it, it was necessary to type the command
set(0,'DefaultAxesColorOrder',summer(9))'
where '9' is the number of colors that the colormap should have.

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