How to compare a number with all the values of a vector?

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Ahmad Hasnain 2018-9-21

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https://ww2.mathworks.cn/matlabcentral/answers/420134-how-to-compare-a-number-with-all-the-values-of-a-vector

回答： Ahmad Hasnain 2018-9-21

采纳的回答： Adam Danz

在 MATLAB Online 中打开

*I have the following function: *

function Z = imp (alpha) % alpha is a scalar

A = [10 20 30 40 50 60 70] % I have this vector

     if
      alpha = A *%any value of A*
            true *% If a value of alpha is equal to any value of A the statement is true otherwise it is false*
      else
          false
end

I want to compare alpha with all the values of vector A. If alpha is equal to any one value of A, then the statement is true. How do I do this in code?

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采纳的回答

Adam Danz 2018-9-21

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https://ww2.mathworks.cn/matlabcentral/answers/420134-how-to-compare-a-number-with-all-the-values-of-a-vector#answer_337752

在 MATLAB Online 中打开

if ismember(alpha, A)

or

if any(A == alpha)

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更多回答（1 个）

Ahmad Hasnain 2018-9-21

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https://ww2.mathworks.cn/matlabcentral/answers/420134-how-to-compare-a-number-with-all-the-values-of-a-vector#answer_337753

Thanks

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