how can I choose values from a vector ascendingly and concequently ?

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omar th 2022-7-15

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https://ww2.mathworks.cn/matlabcentral/answers/1761035-how-can-i-choose-values-from-a-vector-ascendingly-and-concequently

评论： Voss 2022-7-15

        X = [-28.6479 -27.5 -18.33 -13.75 -11 -9.16 -7.85 -6.87 -6.11 -5.5 5.5 6.11 6.87 7.85 9.16 11 13.75 18.33 27.5 28.6479]

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Answer 1

Voss 2022-7-15

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https://ww2.mathworks.cn/matlabcentral/answers/1761035-how-can-i-choose-values-from-a-vector-ascendingly-and-concequently#answer_1008350

在 MATLAB Online 中打开

X = [-28.6479 -27.5 -18.33 -13.75 -11 -9.16 -7.85 -6.87 -6.11 -5.5 5.5 6.11 6.87 7.85 9.16 11 13.75 18.33 27.5 28.6479]
X = 1×20
  -28.6479  -27.5000  -18.3300  -13.7500  -11.0000   -9.1600   -7.8500   -6.8700   -6.1100   -5.5000    5.5000    6.1100    6.8700    7.8500    9.1600   11.0000   13.7500   18.3300   27.5000   28.6479
% choose three consecutive elements from X, starting with element 5:
choice = X(5:7)
choice = 1×3
  -11.0000   -9.1600   -7.8500

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omar th 2022-7-15

first thank you for your fast response, but I want to choose only one value each iteration because this vector inside while loop. for example, in the first step I want choose -28.6479 in the second step I want to choose -27.5 and so forth up to choosing the final value in the vector which is -28.6479

Voss 2022-7-15

在 MATLAB Online 中打开

X = [-28.6479 -27.5 -18.33 -13.75 -11 -9.16 -7.85 -6.87 -6.11 -5.5 5.5 6.11 6.87 7.85 9.16 11 13.75 18.33 27.5 28.6479]
X = 1×20
  -28.6479  -27.5000  -18.3300  -13.7500  -11.0000   -9.1600   -7.8500   -6.8700   -6.1100   -5.5000    5.5000    6.1100    6.8700    7.8500    9.1600   11.0000   13.7500   18.3300   27.5000   28.6479
for current_index = 1:numel(X)
    choice = X(current_index)
end
choice = -28.6479
choice = -27.5000
choice = -18.3300
choice = -13.7500
choice = -11
choice = -9.1600
choice = -7.8500
choice = -6.8700
choice = -6.1100
choice = -5.5000
choice = 5.5000
choice = 6.1100
choice = 6.8700
choice = 7.8500
choice = 9.1600
choice = 11
choice = 13.7500
choice = 18.3300
choice = 27.5000
choice = 28.6479