No ticks being displayed when using XTickLabel

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balandong
balandong 2017-10-6
评论： raym 2021-2-27
Dear all, The idea was to add ticks label to the x axis with a predefined label. The vector label was a mix of empty cell (i.e. []_ and char (e.g., BL 1, BL 2, SS2 2, SS2 3). However, when plot, there was no tick being displayed. I really appreciate if someone can point what mistake that I have overlooked. The complete code and mat file is attached together with thread to make the discussion easier.
Thanks in advance for any suggestion
load('prob_xtickLable.mat');
LimitRange=14401:27301;
Xaxis_time= [273.5 275.5 277.5 279.5 281.5 283.5 303.5 305.5 307.5 315.5 ...
317.5 319.5 327.5 329.5 331.5 339.5 341.5 343.5 351.5 353.5 ...
355.5 363.5 365.5 367.5 375.5 377.5 379.5 387.5 389.5 391.5];
XLabel=XLabel;
Vector_res1=NaN(length(time_hour),1); % Prelocate with NaN
Vector_res2=NaN(length(time_hour),1); % Prelocate with NaN
Vector_label_Xaxis=num2cell(NaN(length(time_hour),1));
Vector_res1(ismember(time_hour,Xaxis_time))=mean_kss;
Vector_res2(ismember(time_hour,Xaxis_time))=SD_kss;
%%Replace NaN with [].while other cell contained the appropriate label. The use
% of [] to ensure matlab ignore the no label row.
Vector_label_Xaxis = repmat({[]},[(length(time_hour)) 1]);
Vector_label_Xaxis(ismember(time_hour,Xaxis_time))=XLabel;
yyaxis right
errorbar(time_hour(:), Vector_res1(:), Vector_res2(:), '--x','MarkerSize',15)
hold on
yyaxis left
plot(time_hour(:),SleepDrive)
%%Problem: No tick being displayed
xticklabels(Vector_label_Xaxis)

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采纳的回答

Jan
Jan 2017-10-6
Can you post a minimal example, which reproduces the problem? E.g. this works fine:
plot(1:10, rand(1, 10))
set(gca, 'XTickLabel', {[], '2', 3,4,5,6,7,8,9, 'ten'})
But therefore it is required, that the axes has 10 ticks also. Try:
set(gca, 'Xtick', 1:numel(Vector_label_Xaxis), ...
'XTickLabel', Vector_label_Xaxis);
  2 个评论
balandong
balandong 2017-10-6
Hi Jan, Thanks for the quick and valuable suggestion. Your approach work like a charm and more simple.
I will take note that, for future question, I will make a more simple example that can reproduce the problem
Really appreciate it!
raym
raym 2021-2-27
Hi, Jan's answer saved my life. I was in deep trouble for plot with thousands of xtick, but the label was not shown.Jan's answer happendly solved my problem.

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