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Call the data in string

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fyza affandi
fyza affandi 2019-3-10
回答： madhan ravi 2019-3-10
Let say I have a set of matrices
apple=[1 0 0
1 0 1];
orange=[1 0 0 1
1 1 1 0];
guava=[1 1 0 1
1 0 1 0];
Then I save it in a vector name fruit
fruit={'apple','orange','guava'}
Let say I want the matrix for orange, how can I do it?

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回答（2 个）

Walter Roberson
Walter Roberson 2019-3-10
fruit_vals = {apple, orange, guava};
to_find = 'orange';
[tf, idx] = ismember(tolower(to_find), tolower(fruit));
if ~tf
fprintf('"%s" is not a known fruit\n', to_find);
associated_val = [];
else
associated_val = fruit_vals{idx};
end
madhan ravi
madhan ravi 2019-3-10
fruit.apple=[1 0 0
1 0 1];
fruit.orange=[1 0 0 1
1 1 1 0];
fruit.guava=[1 1 0 1
1 0 1 0];
fruit.('orange')

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