Executing loop on certain numbers
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Raghavendra Reddy P
il 11 Mag 2015
Commentato: Raghavendra Reddy P
il 11 Mag 2015
i have two vectors L=1:12; idx=[3 5 9]; I wanted to execute for loop for i=12:-1:1 now i want execute vector idx, starting from last elemet to first i.e 9,5,3 something like
if i==9
do stuff
end
if i==5
do stuff
end
.
.
if i==3
do stuff
end
end
i don't know how many elements in vector idx before hand.
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Stephen23
il 11 Mag 2015
Modificato: Stephen23
il 11 Mag 2015
idx = [3,5,9];
for k = idx(end:-1:1)
... code here
end
3 Commenti
Stephen23
il 11 Mag 2015
Modificato: Stephen23
il 11 Mag 2015
for k = idx(end:-1:1)
switch k
case 9
... code
case 5
... code
case 3
... code
otherwise
error('This values is not known: %d',k)
end
end
But, depending on what those calculations are, there might be much easier and faster ways of achieving this. If you tell us exactly what the do stuff operations actually are, then we might be able to tidy this up too. Can the the vector idx change, or is it always the same?
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