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This question I found in internet please help me to solve this question.

Asked by sharad tiwari on 21 May 2015
Latest activity Commented on by Jan
on 7 Jun 2017
Write a function called odd_index that takes a matrix, M, as input argument and returns a matrix that contains only those elements of M that are in odd rows and columns. In other words, it would return the elements of M at indices (1,1), (1,3), (1,5), …, (3,1), (3,3), (3,5), …, etc. Note that both the row and the column of an element must be odd to be included in the output. The following would not be returned: (1,2), (2,1), (2,2) because either the row or the column or both are even. As an example, if M were a 5-by-8 matrix, then the output must be 3-by-4 because the function omits rows 2 and 4 of M and it also omits columns 2, 4, 6, and 8 of M.

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Please make an attempt and post your code. Then we can offer advice and suggestions.

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1 Answers

Answer by Thomas Koelen on 21 May 2015
 Accepted Answer

I strongly feel like this is homework.. but:
function M_out = odd_index(M)
M_out = M(1:2:end, 1:2:end);
end

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@soummya roy: ???

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