I wanna add upper axis to my plot to be the same as in the attached picture.

Question

Khaled aL Qattawi 2022-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/1756175-i-wanna-add-upper-axis-to-my-plot-to-be-the-same-as-in-the-attached-picture

评论： Khaled aL Qattawi 2022-7-8

the code is ready, but i just wanna add upper x axis as the plot in the picture, please help if you can.... if you run the code will give the same plot but without the upper x axis.

clear all,

% generate some data

dollarlost = logspace(4, 12, 81);

liveloss = logspace(-2,6,81);

p3 = 1e5./dollarlost;

p2 = 1e4./dollarlost;

p1 = 1e3./dollarlost;

loglog(dollarlost, p1, 'g-', dollarlost, p2, 'b--', dollarlost, p3, 'r:')

grid on

ylim([1e-7, 1])

xlabel('DOLLARS LOST');

ylabel('ANNUAL PROBABILITY OF FAILURE');

%t = tiledlayout(1,1);

%ax1 = axes(t);

%loglog(dollarlost, p1, 'g-', dollarlost, p3, 'r:');

%ax2 = axes(t);

%loglog(liveloss,p2);

%ax2.XAxisLocation = 'top';

%ax2.Color = 'none';

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Answer 1

GandaBerunda 2022-7-8

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Hi Khaled,

You had to pass the target axes in loglog:

clear all
% generate some data
dollarlost = logspace(4, 12, 81);
liveloss = logspace(-2,6,81);
p3 = 1e5./dollarlost;
p2 = 1e4./dollarlost;
p1 = 1e3./dollarlost;
t = tiledlayout(1,1);
ax1 = axes(t);
loglog(ax1,dollarlost, p1, 'g-', dollarlost, p2, 'b--', dollarlost, p3, 'r:')
grid on
xlabel(ax1,'DOLLARS LOST');
ylabel(ax1,'ANNUAL PROBABILITY OF FAILURE');
ylim(ax1,[1e-7 1]);
ax2 = axes(t);
loglog(ax2,liveloss,p2,'k-');
ax2.XAxisLocation = 'top';
ax2.Color = 'none';
xlabel(ax2,'LIVES LOST');
ylim(ax2,[1e-7 1]);