Polarity different dimension summation

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abdullah qasim
abdullah qasim 2019-1-19
评论： Walter Roberson 2019-1-19
I have bipolar signal as positive and negative as shown in the following
x=[-1 8 2 -3 -5 6 -4 5 -8 7 -9 4 5 -10 -6 -11 8 3 7 1 -5 -20 14 18 19 -16 8 16 -17 -15];
Xp=x(x>0);
Xn=x(x<0);
figure(1)
stem(Xn);
title('negative signal');
Xn=abs(Xn);
figure(2)
stem(x);
title('orginal signal');
figure(3)
stem(Xp);
title('positive signal');
figure(4)
stem(Xn);
title('abs negative signal');
I want to send the two parts (positive and negative) by combining the two parts in a sequential way.

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采纳的回答

Walter Roberson
Walter Roberson 2019-1-19
Like I told you before, https://www.mathworks.com/matlabcentral/answers/439423-sum-first-matrix-and-second-matrix#comment_659789
You can concatenate them if you have reason to,
[Xn, Xp]
but you would need to keep track of the size of at least one of the two if you need to separate them out again.
  2 个评论
abdullah qasim
abdullah qasim 2019-1-19
I want to put a break between the first and second parts as follows
Xn+S
Walter Roberson
Walter Roberson 2019-1-19
What should the break be filled with? MATLAB does not permit you to have numeric matrices with "gaps" in them.

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