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how to remove odds from a dataset

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andrew
andrew 2014-1-14
关闭： Azzi Abdelmalek 2014-1-14
have a dataset that contains a1,a2,a3,a4,a5,b1,b2,b3,b4,b5..etc how do I delete the odds so it can only have a2, a4, b2, b4 etc...

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Azzi Abdelmalek
Azzi Abdelmalek 2014-1-14
v=[1 2 3 4 5 6 7 8]
out=v(2:2:end)

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