Saving figures in a for loop
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I am trying to save each plot in a for loop but I omly end up with Day_31.png, the last plot, this is the could I have;
k = 31;
for l = 1:k
Days = ShearEnv_1.Day;
index = Days == l;
ShearA = ShearEnv_1(index,:);
ShearB = figure,
plot(ShearA{:,5}, ShearA{:,12}.*10, 'b-'),
ylim([0 360]),
grid minor;
saveas(ShearB,sprintf('Day_%d.png',k));
end
采纳的回答
OCDER
2018-7-11
You're saving 31 graphs to the same file name, 'Day_31.png' due to wrong use of iterator k.
k = 31;
for l = 1:k
Days = ShearEnv_1.Day;
index = Days == l;
ShearA = ShearEnv_1(index,:);
ShearB = figure,
plot(ShearA{:,5}, ShearA{:,12}.*10, 'b-'),
ylim([0 360]),
grid minor;
saveas(ShearB,sprintf('Day_%d.png',l)); <==== not k, which is 31. use l as shown.
end
2 个评论
dpb
2018-7-11
Good catch, I thought I'd checked that... :(
I'm surprised the loop even finished, considering this other error that was hiding there ...
plot(ShearA{:, 5}, ShearA{:, 12}.*10, 'b-'); %??
See below for details:
ShearA = num2cell(randi(10, 100, 12)); %Assuming ShearA is a cell
plot(ShearA{:, 5}, ShearA{:, 12}.*10, 'b-'); %This will not work
plot([ShearA{:, 5}], [ShearA{:, 12}]*10, 'b-'); %This will work
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