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modify data stream by equating odd position=0

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Soumili Sen
Soumili Sen 2020-10-11
评论： Soumili Sen 2020-12-1
Dear sir/Ma'am
I have a data x=[1 2 3 4 5.........k]. Now I want a new data y=[0 2 0 4 0 6........k] from 'x' i.e, in new data stream the odd position's value will be '0' of 'x',rest values will be remain same as 'x'.and also want z= new data stream the even position's value will be '0' of 'x'.
What will be the matlab code?

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Ameer Hamza
Ameer Hamza 2020-10-11
编辑：Ameer Hamza 2020-10-11
Read about array indexing in MATLAB: https://www.mathworks.com/help/matlab/math/array-indexing.html
k = 10;
x = 1:k;
y = x;
y(1:2:end) = 0;
z = x;
z(2:2:end) = 0;
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Ameer Hamza
Ameer Hamza 2020-12-1
编辑：Ameer Hamza 2020-12-1
Following shows one way to decrease the number of lines
k = 10;
x = 1:k;
p = h1*x.*((-1).^(1:k)>0)+80
But it is obviously more complicated and less readible.

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