Create a row vectors that includes even/odds between 0 and X
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How can I created a row vector that includes every even/odd number BETWEEN two variables but does not include them. ie x=10 y=20 vector=[12 14 16 18]
Accepted Answer
Azzi Abdelmalek
on 15 Feb 2013
x=10;
y=20;
v=x+1:y-1
v_even=v(mod(v,2)==0)
v_odd=v(mod(v,2)~=0)
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More Answers (2)
John BG
on 12 Oct 2015
Also possible: find(mod(X,2)==0) and find(mod(X,2)~=0)
2 Comments
Image Analyst
on 12 Oct 2015
Not as-is -- you'd need to add code:
X = 10:20
oddNumbers = find(mod(X,2)==0)
gives
X =
10 11 12 13 14 15 16 17 18 19 20
oddNumbers =
1 3 5 7 9 11
which is not [11,13,15,17,19], but if you added all but the last element to the first element of the original X, it would work.
John BG
on 13 Feb 2016
Should have added the X(),
find(mod(X,2)~=0)
does give the positions of the odd elements of X
ans = 11.00 13.00 15.00 17.00 19.00
and
find(mod(X,2)==0)
gives the even elements of X
ans = 10.00 12.00 14.00 16.00 18.00 20.00
Alternatively
nonzeros(mod(X,2).*X)'
also gives the odd elements of X
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