MATLAB: Make one part of a function repeat it self in diffrent sections of time line.

mathematicsMATLAB and Simulink Student Suitematlab functionplot

N = 10000;
t = linspace(-3*pi, 3*pi, N + 1)'; t(end) = [];
x = -t;
figure; hold on; grid on;
plot(t, x, 'b', 'LineWidth', 1)
legend('x(t)');
xlabel('t');
ylabel('x(t)');
this is my code and my input funciton is x=-t
i want the plot graph to repeat it self this way in intervals of 2*pi:
now,obviously the plot is just the function -t in the interval {-3pi,3pi} without repitations.
I cant find the right syntax to do it.
if someone has an idea , i could use the help. thanks

Best Answer

found the solution. these will create 3 iepitations.
%%1
N = 10000;
t = linspace(-pi, pi, N + 1)'; t(end) = [];
x = -t;
t1 = linspace(-3*pi, 3*pi, 3*N)';
X=[x;x;x];
figure; hold on; grid on;
plot(t1, X, 'b', 'LineWidth', 1)
legend('x(t)', 'y(t)');
xlabel('t');
ylabel('x(t)');
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