how to remove zeroes and reverse that in a matrix

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Sharen H
Sharen H le 10 Avr 2013
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

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Walter Roberson
Walter Roberson le 10 Avr 2013
No, not unless you have additional information about where the zeros go, and about the shape of the target matrix.
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Image Analyst
Image Analyst le 10 Avr 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.
Sharen H
Sharen H le 10 Avr 2013
yes yes thank you

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