malpractice at num2str + title

[Fumio Hakamada]

I'm using MATLAB and OCTAVE.

In the following program, number is attached to title name.

But it does not work well when  num2str(n) is attached.

Will you please confirm?

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% e83.m

t = 1:100;
figure
for n=1:4
    subplot(2,2,n)
    a = " deformation - force, n=" + num2str(n);  % no for OCTAVE
    y = sin(2*pi*n*t/100);
    plot(t,y);
    title(a)
end

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Fumio HAKAMADA, P.E.

fhakamada@gmail.com