Improper assignment with rectangular empty matrix ERROR!

2018 10 19

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I ran this small code to get the indices for the matching values of b in matrix A. The output throws an error.

a = [1 2 3 4];
b = [2 3 4 5];
 for i = 1:length(b)
   c(i) = find(a == b(i));
end

% ---------------- OUTPUT --------------- %

Improper assignment with rectangular empty matrix.
Error in IndicesOfcomputedValues (line 5)
     c(i) = find(a == b(i));

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madhan ravi 2018-10-19

编辑：madhan ravi 2018-10-19

1 个投票

[idx,values] = ismember(b,a) %returns values and logical index of b in a 
index=find(ismember(b,a)) returns linear index of b in a

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