cell elements equal to values

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skysky2000
skysky2000 2017-1-23
评论： skysky2000 2017-1-23
Dear all, I have 3 cell elements and vector with 1*10 ( this is just part of 100 elements of cell). what I want elements in cell 1 equal the value.
s={[1,9,7,4][2,6,4][3,4]};
a=[ 1 0 0.5 2 1 4 5 2 3 4];
re_cell1= 1+3+5+2
re_cell2= 0+4+2
re_cell3= 0.5+2
results=[11 6 2.5];
Thanks a lot. I will appreciate it.

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the cyclist
the cyclist 2017-1-23
Here is one way:
s = {[1,9,7,4], [2,6,4], [3,4]};
a = [ 1 0 0.5 2 1 4 5 2 3 4];
results = cell2mat(cellfun(@(x)sum(a(x)),s,'UniformOutput',false));
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the cyclist
the cyclist 2017-1-23
skysky2000, use Stephen's simpler answer.
Originally I used the "uniform output" false, because I was returning the individual "re_cell1" vectors, which were of different lengths. Then I decided that you probably only wanted the "results" output, but forgot you could then use the simple version!
Thanks, Stephen.
skysky2000
skysky2000 2017-1-23
Thanks a lot, both of them work... that what I want appreciate it Stephen..

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