how to find values in two different vectors ?

2 views (last 30 days)
I have two vectors e.g.
a=[2 7 9 10 17 22 24 28 29 32]
b=[74 79 82 85 88 91 92 95 96 97 98 99 102 108 121]
I want to find several values in two vector. for example 9, 24 , 85 and 102.
I first make
m=[9;24;85;102]
for i=1:size(m,1)
mt=find (a==m (i))
if a==0
else mtt=find (b==m(i))
end
end
However, when I run such script I cannot see which value is in which vector because each time mt or mtt will be empty in next epoch. I want to have the find result in mt for each run and if it is empty , I want to mention zero
for example I want to have mt and mtt as follows
mt=[3 7]
mtt=[4 13]
Thanks
  1 Comment
Azzi Abdelmalek
Azzi Abdelmalek on 7 Feb 2014
You could just ask for a. You can do the same thing for b

Sign in to comment.

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 7 Feb 2014
a=[2 7 9 10 17 22 24 28 29 32];
b=[74 79 82 85 88 91 92 95 96 97 98 99 102 108 121]
m=[9;24;85;102]
mt=find(ismember(a,m))
mtt=find(ismember(b,m))
  2 Comments
Azzi Abdelmalek
Azzi Abdelmalek on 7 Feb 2014
I can't explain what your code is doing, I can propose one correct way to do it with a for loop
a=[2 7 9 10 17 22 24 28 29 32];
b=[74 79 82 85 88 91 92 95 96 97 98 99 102 108 121];
m=[9;24;85;102];
mt=[];
mtt=[];
for i=1:size(m,1)
mt=[mt find(a==m(i))];
mtt=[mtt find(b==m(i))];
end
mt
mtt

Sign in to comment.

More Answers (0)

Categories

Find more on Develop Apps Using App Designer in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!