Add numbers into legend with for loop

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Yasin AHLATCI
Yasin AHLATCI 2020-6-17
编辑： madhan ravi 2020-6-17
clc;
x=linspace(-180,180,200);
xr=x*(pi/180);
for (i=1:4)
subplot(2,2,i)
t=cos(i*xr);
plot(x,t)
axis([-180 180 -1 1]);
grid on;
legend('cos(i*xr);
end
----
This is my code. I wonder if i could write i inside of legend like;
i=1 i want cos(1*xr)
i=2 i want cos(2*xr) ...
How can i do that ?

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回答（1 个）

madhan ravi
madhan ravi 2020-6-17
编辑：madhan ravi 2020-6-17
legend(sprintf('cos(%d*xr)',i))

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