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Indexing a sub-variable in Matlab base workspace

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Ayobami Meadows
Ayobami Meadows 2021-11-22
回答： Walter Roberson 2021-11-22
I do get following when trying to run the code. Error using min. Invalid data type. First argument must be numeric or logical. The concept is that I need to index the y(i).Cost as follow:
[y(i).Cost, y(i).Sol] = CostFunction(particles(i,:);
[ymin, index] = min(y);

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采纳的回答

Walter Roberson
Walter Roberson 2021-11-22
[y(i).Cost, y(i).Sol] = CostFunction(particles(i,:);
[ymin, index] = min([y.Cost]);

更多回答（1 个）

KSSV
KSSV 2021-11-22
This line:
[ymin, index] = min(y);
Your input to the function min is a structure. min takes an array as input. You need to change the input. Don't input a structure.

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