how to remove zeroes and reverse that in a matrix

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I have considered a matrix with zeros
x=[1 2 3 0
0 0 0 1]
i removed the zeros and the result is
y=[1 2 3 1]
Is it possible to reverse ie obtain x from y..
Please help

Accepted Answer

Walter Roberson
Walter Roberson on 10 Apr 2013
No, not unless you have additional information about where the zeros go, and about the shape of the target matrix.
  3 Comments
Image Analyst
Image Analyst on 10 Apr 2013
Sharen: Here's my array [3 5 6 7 2 4 7 1 5]. Can you tell me where the zeros were that I removed? I want you to put them back in the exact spots I took them out of. Do you know where to put them? Hopefully now you understand.

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