How does the indices inside the select row block in simulink change the input data

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Ray 2017-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/321668-how-does-the-indices-inside-the-select-row-block-in-simulink-change-the-input-data

关闭： MATLAB Answer Bot 2021-8-20

I am trying to understand the command "select row". I inserted in the indices of the select row block [5; 4; 3; 2; 1] which i thought that the output of this block will take the input and flip it based on the indices. for example if the input is [ 1 2 3 4 5] it will change to [5 4 3 2 1]. I used comma, semicolon and still the results did not make since to me. Please take a look and explain to me.