MATLAB: How to add numbers to indexes

indexing

I have an array of indexes eg [2 3 4 5 1 6 7]. I have an array of numbers [1 4 6 8 3 7 9].

I would like to assign the numbers according to the indexes in one command. Is it possible?

Best Answer

   idx=[2 3 4 5 1 6 7]
 numb=[1 4 6 8 3 7 9]
 numb(idx)

Related Solutions

MATLAB: Random numbers

idx = [1,2,4,7,8];
out = zeros(10,1);
out(idx)=rand(numel(idx),1);

MATLAB: Divide an array in n different arrays

V = [1 1 1 1 1 1 6 6 6 6 6 6 6 6 6 3 3 3 3 3 3 3 5 5 5 5 5 5 5 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 4 4 4 4 4 4 4 4 4 4 2 2 2 2 2 1 1 1 1 1 6 6 6 6 6 6 6]
A = [1 3 4
6 5 2
0 8 0
0 9 0]
[~,c,a] = find(A);
[~,i] = ismember(V,a);
g = c(i);
d = find([true; diff(g); true]);
c = mat2cell(V,1,diff(d));
c{:}

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