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 comentario
BAKALE MURPHY
el 14 de Mzo. de 2017
i'll try that, thanks
Respuesta aceptada
Más respuestas (2)
Image Analyst
el 15 de Feb. de 2013
out = (x+1) : 2 : (y-1)
or
out = (x+2) : 2 : (y-1)
John BG
el 12 de Oct. de 2015
0 votos
Also possible: find(mod(X,2)==0) and find(mod(X,2)~=0)
2 comentarios
Image Analyst
el 12 de Oct. de 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
el 13 de Feb. de 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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