How to stem positive part of wave?
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vu ngothanh
am 11 Dez. 2015
Kommentiert: vu ngothanh
am 12 Dez. 2015
Hi everyone,
I have a wave data, I need to show dispersion wave, so I need to "Stem" a "positive part" of the wave (look like the image below). Could you please to help me to solve it.
Thank you in advance.
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Prasad Kalane
am 11 Dez. 2015
Bearbeitet: Prasad Kalane
am 11 Dez. 2015
Try using following code
if true
% code
endx1=rand(1,10);
x2=rand(1,10);
x=[x1 -x2];
subplot(121);stem(x);
title('+ve & -ve Data')
for i=1:length(x)
if sign(x(i))==-1
x(i)=0;
end
end
subplot(122);stem(x);
title('+ve Data')
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