X label cuts off in logscale

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Niklas Kurz
Niklas Kurz 2021-1-28
评论： Star Strider 2021-6-8
I assume the x numbers are not shown beacause the plot is squeezed too tight. How to fix it?
f = 1:0.01:20000;
db = zeros(length(f),1);
X = [f' db]; %StarStrider colormap
cm = colormap(jet);
X(end,2) = NaN;
c = (X(:,1));
p1 = plot(f,db,'b');
p2 = patch(X(:,1), X(:,2), c, 'EdgeColor','interp','LineWidth',4);
set(gca, 'XScale', 'log')
set(gca, 'FontSize',24)
legend('Frequenzgang einer idealen Box')
xlabel('Frequenz in Hz','Interpreter','latex')
ylabel(' Lautstaerke in dB','Interpreter','latex')
axis([1 20000 -20 20])
grid on
  1 个评论
Niklas Kurz
Niklas Kurz 2021-1-28
I I want to custom xticks it gives me error and closest match:
/Applications/MATLAB_R2020a.app/toolbox/matlab/graph3d/xticklabels.m

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Star Strider
Star Strider 2021-1-28
I do not understand what you want for the x-tick labels.
First, run your code with this to see what it does, and then adapt this to do what you want:
set(gca, 'XTick',logspace(0, log10(20000), 5), 'XTickLabel',1:5)
In general, it is necessary to define both the tick locations themselves, and the tick labels.
The labels can also be text (character arrays) or strings as cell arrays. That is sllightly more complicated, so I will not discuss it now, however I can help you with it if that is what you want to do.
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Niklas Kurz
Niklas Kurz 2021-6-8
编辑：Niklas Kurz 2021-6-8
Thank you for laying emphasis on that difference. It still is a secret to my why that one line (NaN) causes Matlab to reduce patch to just the plotted line. It seems like the refecrence point is mimiced by the data points this way. What is kind of what we wanted.
Star Strider
Star Strider 2021-6-8
As always, my pleasure!
I have long since surrendered to MATLAB being MATLAB and to just hang on and enjoy the experience!

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