Extract Values from the vector

Question

M@lik Ali 2012-9-3

0
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https://ww2.mathworks.cn/matlabcentral/answers/47257-extract-values-from-the-vector

Hi all

i have a vector like a=[ 4 5 10 3 7 8 11 15 2 19 20 6] now i want a new vector from a but new vector should not contain the values from 1-10; there must be the values of a only which are greater then 10. please help me.

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Answer 1

Andrei Bobrov 2012-9-3

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https://ww2.mathworks.cn/matlabcentral/answers/47257-extract-values-from-the-vector#answer_57734

在 MATLAB Online 中打开

new_vector_from_a = a(a < 1 | a > 10);

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Answer 2

M@lik Ali 2012-9-3

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https://ww2.mathworks.cn/matlabcentral/answers/47257-extract-values-from-the-vector#answer_57746

Thanks a lot it works,

Hi all

I have matrix with 999*10

actually i have 10 feature of 999 images. now what i want is i want to extract features of some images in new matrix like i need the new matrix of 4,5,6 and 7 images among 999 images. my new matrix should be of size 4*10.

How can i do this please help me.