MATLAB: How I summation graph ? I have photo exemple in this post.

plotplotting

Best Answer

t=0:0.1:10
y1=10*sign(t-5)
y2=20*sign(t-5)
y=y1+y2
plot(t,y1,'r',t,y2,'g',t,y,'b')

If your signal is periodic

t=-20:0.01:20
y1=10*sign(abs(mod(t,10))-5)
y2=20*sign(abs(mod(t,10))-5)
y=y1+y2
plot(t,y1,'r',t,y2,'g',t,y,'b')

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MATLAB: How to put vector in

Begin ‘i’ at 1 and subscript ‘x’:

n=length(x);
i=1;
while(i<n);
    if x(i)<0
        y(i)=-1;
    else
        y(i)=1;
    end
    i=i+1;
end

MATLAB: Not getting expected graph. Only straight lines are coming but there should be curve .

The values of the first component of the solution are so much larger in magnitude than the others that even if they did vary (which they do at first before settling down into what looks to be a steady state after about t = 2 or t = 3) it would be like trying to see one Lego block on the ground from the window of an airplane cruising at 30,000 feet.

If you plot the three components separately you can see the variation at the start.

figure
subplot(3, 1, 1);
plot(t, y(:, 1), 'b');
subplot(3, 1, 2);
plot(t, y(:, 2), 'r');
subplot(3, 1, 3);
plot(t, y(:, 3), 'g')

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MATLAB: How to put vector in

MATLAB: Not getting expected graph. Only straight lines are coming but there should be curve .

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