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How to plot x y data with y value repeating with a given interval while x continously increasing?

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I have actual x and y data for a length of 8193, i.e Z=[(X1,Y1) (X2,Y2)....(X8193,Y8193)] . I want to plot (xn,yn) for n size of data pairs with repeating the y value after each 8193 interval while the x continuously increment with one for each data. thanks
  1 Commento
seble mekonnen
seble mekonnen il 25 Gen 2018
sir, I have tried with small size number (to repeat after multiple of 9 for 100 data sets. But still I have not get it. 1. how each x(i)and y(i) value gets its value. I expect a triangular shape with touching x at 1 9 18 29 etc thanks
y=[1 2 3 4 5 4 3 2 1]
x=[1 2 3 4 5 6 7 8 9]
xn=ones(1,100);
j = 1;
for i = 1:length(xn)
if(j==10)
j = 1;
end
if i<=5
y(i)=i;
else
y(i)=y(5)-y(i-5);
end
j = j+1;
plot(x(i), y(j));
end
error
Index exceeds matrix dimensions.

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Risposte (1)

Srijith Vijay
Srijith Vijay il 25 Gen 2018
j = 1;
for i = 1:n
if(j==8194)
j = 1;
end
plot(x(i), y(j));
j = j+1;
end
  2 Commenti
seble mekonnen
seble mekonnen il 25 Gen 2018
sir, I have tried with small size number (to repeat after multiple of 9 for 100 data sets. But still I have not get it. 1. how each x(i)and y(i) value gets its value. I expect a triangular shape with teouching x at 1 9 18 29 etc thanks
y=[1 2 3 4 5 4 3 2 1]
x=[1 2 3 4 5 6 7 8 9]
xn=ones(1,100);
j = 1;
for i = 1:length(xn)
if(j==10)
j = 1;
end
if i<=5
y(i)=i;
else
y(i)=y(5)-y(i-5);
end
j = j+1;
plot(x(i), y(j));
end
error
Index exceeds matrix dimensions.
Srijith Vijay
Srijith Vijay il 26 Gen 2018
In your code snippet, the value of index i exceeds the size of y and y(i) = y(5)-y(i-5) tries to access the value of y outside its bounds.
You can make use of the "repmat" function to create the vector y based on the number of samples to plot.

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