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How to remove zero values from vector?

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KH
KH 2013-6-14
编辑： belairaway 2017-5-9
Hi,
Let's say I have vector something like:
q = [0 0 0 2 4 10 9 5 0 0 0 8 9]
I want it to be something like:
q = {0 0 0 2 4 10 9 5 8 9]
How can I choose to remove the zero values but without removing the first three zeroes?
Thank you.

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采纳的回答

Andrei Bobrov
Andrei Bobrov 2013-6-14
q = [0 0 0 2 4 10 9 5 0 0 0 8 9];
out = [q(1:find(q~=0,1,'first')-1) q(q~=0)];

更多回答（2 个）

belairaway
belairaway 2017-5-9
编辑：belairaway 2017-5-9
I think that using the built-in function nonzeros is better
Azzi Abdelmalek
Azzi Abdelmalek 2013-6-14
编辑：Azzi Abdelmalek 2013-6-14
q = [0 0 0 2 4 10 9 5 0 0 0 8 9];
out=[q(1:find(q~=0,1)) q(q~=0)]

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