How can I add title to plots before the loop

The problem with my code is it creates the titles, xlabel and ylabel 500 times each, so this makes the code slow to execute. Is there any way to put these outside the for loop (j=1:50) making titles, xlabel and ylabel to create only 10 times?

figure
for i=1:10
    for j=1:50
        
        subplot(2,1,1)
        plot()
        title(sprintf('%d',i))
        drawnow
        
        subplot(2,1,2)
        plot()
        xlabel('something')
        ylabel('something else')
        title(sprintf('%d',i))
        drawnow
    end
end

[dpb]

500 repeats of same thing seems pointless...one presumes there's new data introduced somewhere--where?

The x/ylabel is only being written for the second of two subplots; what about the first?

Are the labels fixed content or do they also change?

It's probable that can create the axes once and then only change X/YData for updating the plots instead in which case all the static stuff can indeed be moved to an initial creation stage, but we can't tell what needs changing/updating and what doesn't from the limited info here.

See the section under graphics on animation for ideas on how to do the data update thingie...

[Mahmut]

Data changes in each loop.

x/ylabel is not neccesary for the first subplot, and labels are fixed.

Like you said I am looking for a way that define static stuff here:

figure
for i=1:10
    %HERE:
    %subplot(2,1,1) -> title(sprintf('%d',i))
    %subplot(2,1,1) -> title(sprintf('%d',i)) xlabel() ylabel()
    %calculations
    for j=1:50
        %calculations
        %subplot(2,1,1) -> plot
        %subplot(2,1,2) -> plot
    end
end

[dpb]

Well, when you include

 %subplot(2,1,1) -> title(sprintf('%d',i))

you've just made it nonstatic so if you want it to change, you'll have to rewrite it....not much way around it.

If the x,y labels are static, then as said, look at the animation documentation for how to just change the data in the plot instead of redoing it from scratch. That will be faster.

Answer 1

[Voss]

figure
for i=1:10
    
    ax1 = subplot(2,1,1)
    title(ax1,sprintf('%d',i))
    
    ax2 = subplot(2,1,2);
    xlabel(ax2,'something')
    ylabel(ax2,'something else')
    title(ax2,sprintf('%d',i))
    
    for j=1:50
        %calculations
        plot(ax1,results_for_ax1)
        plot(ax2,results_for_ax2)
        drawnow
    end
end