0 个投票

I am trying to add legend to for loop and I need my legend to have variables used to plot graphs.
fig1 = figure()
ax1 =axes('Parent',fig1)
for C = 1:36
for I = [1:5]
%Cl Vs Alpha
index = 1;
XVAR = 'Alpha';
YVAR='CL';
MACH = 0.27;
ALTITUDE = 0;
legend(sprintf('TEST_AERO%d_%d',I , C))
hold on
TEST_AERO_FINAL.(sprintf('TEST_AERO%d_%d',I , C)).DES_SPACE{index}.plot(XVAR,YVAR,MACH,ALTITUDE,ax1)
end
end

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 采纳的回答

DGM
DGM 2021-4-22
编辑：DGM 2021-4-22

0 个投票

Generally, it's best if you specify the plot object handle when you call legend(). Since all of your plotting code is missing, consider the simplified example:
numberofplots=3;
h=zeros(numberofplots,1); % preallocate handles vector
legendstrings=cell(numberofplots,1); % preallocate legend strings
for n=1:numberofplots
x=rand(10,1); % garbage example data
y=rand(10,1);
h(n)=plot(x,y); hold on; % store this plot handle
legendstrings{n}=sprintf('X1 = %f',x(1)); % store this legend string
end
% the call to legend() doesn't need to be in the loop
legend(h,legendstrings,'location','northwest');

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