using XtickLabel with fractions and integer numbers

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sermet
sermet 2017-1-11
编辑： Sean de Wolski 2017-1-11
time=[1:1:24];
interval_x_axis=0.5;
set(gca,'XtickLabel',time(1:interval_x_axis:end))
% it gives "Warning: Integer operands are required for colon operator when used as index".
How can I show 1-1.5-2-2.5 on the x axis within plot?

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Sean de Wolski
Sean de Wolski 2017-1-11
编辑：Sean de Wolski 2017-1-11
You can't index into a vector with decimals, i.e. x.5.
time=[1:1:24];
plot(time)
interval_x_axis=0.5;
set(gca,'XTick',time(1):interval_x_axis:time(end))
My guess is you want something like this.

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