How can I get a vector out of a matrix?
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Given a two dimension matrix, if I want to extract 3 elements with subsript (1,2) (2,4) (3,6) to form a vector, how I can I achieve that without using a double loop? Because if I just use M(1:3,2:2:6), the result will also be a matrix. Can someone give me a simple solution?
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Stephen23
2017 年 9 月 9 日
@KALYAN ACHARJYA: a column vector has no columns 2, 4, or 6.
One good way is to use sub2ind, as José-Luis has already answered.
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