MATLAB: How to avoid printing certain values in axes of a plot

Question

I have the following plot

Since x-axis is the 'number of iterations' . I need to avoid prinitng float values.

What is want is only [1,2,3,4].

Below is my code.

Thank you.

for mm = 1:num_intervals
    
    plot([1,2,3,4], CI')
               
end
xlabel('Iteration Number')
ylabel ('CI')
legend('App_1','App_2','App_3','App_4','App_5','App_6','App_7','App_ 8','App_9','App_{10}') 

Answer 1

set(gca,'XTick',1:1:4)