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]
1 Kommentar
BAKALE MURPHY
am 14 Mär. 2017
i'll try that, thanks
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Weitere Antworten (2)
Image Analyst
am 15 Feb. 2013
out = (x+1) : 2 : (y-1)
or
out = (x+2) : 2 : (y-1)
John BG
am 12 Okt. 2015
0 Stimmen
Also possible: find(mod(X,2)==0) and find(mod(X,2)~=0)
2 Kommentare
Image Analyst
am 12 Okt. 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
am 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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