How to add up all elements of a vector in a 1x1 vector?

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Dominic Noel Kluck 2023-7-24

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https://ww2.mathworks.cn/matlabcentral/answers/2000163-how-to-add-up-all-elements-of-a-vector-in-a-1x1-vector

评论： Dominic Noel Kluck 2023-7-25

I have a n-dimensional vector which can obviously vary in length based on the users input. Based on that vector I want to label data points in a plot where the first vector element is the label for the first data point, the second vector element is the label for the second data point and so on. I now have the problem that all elements of my vector get labeled to all points so that the complete vector is shown besides every point. Does anyone know how to convert a vector like a = [ 1 7 333 65 8] into this format: label={'1', '7' , '333', '65', '8'} so that I can simply use the text command to label my points?

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Answer 1

Adam Danz 2023-7-24

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https://ww2.mathworks.cn/matlabcentral/answers/2000163-how-to-add-up-all-elements-of-a-vector-in-a-1x1-vector#answer_1278068

在 MATLAB Online 中打开

 a = [ 1 7 333 65 8];
 s = string(a)
s = 1×5 string array
    "1"    "7"    "333"    "65"    "8"
cs = cellstr(string(a))
cs = 1×5 cell array
    {'1'}    {'7'}    {'333'}    {'65'}    {'8'}