xlim and ylim auto not working
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george hargenrader
on 1 May 2020
Commented: george hargenrader
on 1 May 2020
Hello
I am plotting some data and some fits to the data in a 2x2 subplot. The automatic x and y limits to the axis does not seem to be working. (or maybe they are scaling to 'nice' numbers?) Also finding the max and min values for each plot is not easy. I could use the axis handles ax.YData ect, however I am using the plot command multiple times to control the colors, which means not all lines are containted in the original axis handle.
Does anyone know of an easy way to set the x and y axis limits to the max and min values of all the data in a plot?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/289515/image.png)
%% Load the data
FileP = 'filepath';
FileN = 'filename.mat';
load(strcat(FileP,FileN));
colors ={'#0072BD' '#D95319' '#EDB120' '#7E2F8E' '#77AC30' '#4DBEEE' '#A2142F'}; %default plot colors
%% Plot the data and initial guess
%r = rates [k1, k2]
r0{1} = [0.0145556113352403;0.00859211428374791];
r0{2} = [0.00951438529846522;0.00769415339659029];
r0{3} = [0.00464048796975012;0.00576406332592959];
r0{4} = [0.00424324725408617;0.00441517808025549]
figure(FigC);
for i=1:N_temps
subplot(3,2,i);
ax{i} = plot(data{i}(:,1),data{i}(:,[2:4]),'-o','markersize',4);
title(sheetnames(i));
tspan = [data{i}(1,1) data{i}(end,1)];
y0 = data{i}(1,[2:4]);
sol = ode15s(@(t,y)diffun_NonEq(t,y,r0{i}),tspan,y0(1,:));
hold on;
plot(sol.x,sol.y(1,:),'-o','markersize',4,'Color',colors{1});
plot(sol.x,sol.y(2,:),'-o','markersize',4,'Color',colors{2});
plot(sol.x,sol.y(3,:),'-o','markersize',4,'Color',colors{3});
xlim auto;
hold off;
end
sax = subplot(3,2,[5:6]);
posspl = get(sax,'position'); % Getting its position
lgd = legend(sax,ax{1},Header{1,[2:4]});
set(lgd,'position',posspl); % Adjusting legend's position
axis(sax,'off'); % Turning its axis off
lgd.NumColumns = N_states;
FigC = FigC + 1;
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Accepted Answer
Adam Danz
on 1 May 2020
Edited: Adam Danz
on 1 May 2020
I think what you're looking for is,
h = subplot(3,2,i);
axis(h,'tight')
or just
axis tight
applied to the current axes.
4 Comments
Adam Danz
on 1 May 2020
Yes, instead of setting all 4 elements of the legend position, just set the first 2 elements (the position of the left, bottom corner) and don't change elements 3 & 4 (width and height).
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