Problem 43177. Extract a specific part of matrix!
In the given matrix, extract element that have odd rows and column number.
For example
A=[1 4 2 3 5] B=extractodd(A);
B should be
[1 2 5]
And, if A is
[1 2 3 4 5 6 7 8 9]
B should be
[1 3 7 9]
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