Finding first value in an array equal to each number in a vector

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L'O.G. 2023-4-22

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https://ww2.mathworks.cn/matlabcentral/answers/1951563-finding-first-value-in-an-array-equal-to-each-number-in-a-vector

评论： L'O.G. 2023-4-22

采纳的回答： Walter Roberson

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I can find the first value in test_array that is equal to 2 using the following:

find(test_array==2, 1, 'first')

But how do I find the first value in test_array that is equal to, say, a vector of values? So the first value, for example, that is equal to 3, the first value that is equal to 5, the first value that is equal to 7, etc.?

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采纳的回答

Walter Roberson 2023-4-22

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https://ww2.mathworks.cn/matlabcentral/answers/1951563-finding-first-value-in-an-array-equal-to-each-number-in-a-vector#answer_1221193

See the second output of ismember() -- you might need to exchange the parameters

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L'O.G. 2023-4-22

Thanks. Did not know about this.

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