Different colors between plot and legend

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Ivan Mich
Ivan Mich 2020-6-2
编辑： Ivan Mich 2020-6-18
Hi,
Does anybody knows why there are different colors between plot lines and legend ?
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KSSV
KSSV 2020-6-2
We cannot comment/ help unless your code is shown to us.
Ivan Mich
Ivan Mich 2020-6-2
D=table(Y,X,meanD)
writetable(D,'D.txt')
hold on
plot(Y,X,'o','DisplayName','0.3')
plot(Y,meanD,'*','DisplayName','0.3')
legend

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Bjorn Gustavsson
Bjorn Gustavsson 2020-6-2
Ivan, when you plot multiple lines like this and want to put a legend into the figure (or want to modify the lines)
use the plot-handles returned by plot:
x = 0:10;
y = randn(5,numel(x));
ph1 = plot(x,y(1:2,:),'-','linewidth',2);
hold on
ph2 = plot(x,y(3:5,:),'--')
legend([ph1(:);ph2(:)],'1','2','3','4','5')
HTH
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Bjorn Gustavsson
Bjorn Gustavsson 2020-6-18
Ivan, you could do something like this programatically:
for iFiles = numel(np)
legstr{iFiles} = [np(iFiles).name,' M']; % or with sprintf('%s M',np(iFiles).name);
end
legend([ph1(:);ph2(:)],legstr{:})
When I've come that far I usually become pragmaticall and start to hard-code the legend-strings, it comes down to how many times you will re-run this with other labelings...
Ivan Mich
Ivan Mich 2020-6-18
编辑：Ivan Mich 2020-6-18
Bjorn Gustavsson
I have tried your solution but it shows me these:
Error using legend
Inputs must be the same size or either one can be a scalar.
What I have to do in order to solve it?

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