Could anyone help me to solve the issue in the following code

Question

jaah navi 2019-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/470672-could-anyone-help-me-to-solve-the-issue-in-the-following-code

评论： jaah navi 2019-7-9

code:

unused_rows=1:12
while ~isempty(unused_rows)
rows_matrix=reshape(unused_rows,[],2)
rows_matrix(:,end)=rows_matrix(end:-1:1,end)
for k=1:size(rows_matrix,1)
    rows=rows_matrix(k,:)
    unused_rows=[];
end
end

The above code executes and gives me the result.

with respect to the command line

rows_matrix=reshape(unused_rows,[],2)

I am getting the result to be

rows_matrix =
   7
   8
   9
  10
  11
  12

But I want to display the result in the following manner.

rows_matrix =
   9
   8
   7
  12
  11
  10

Could anyone please help me on this.

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Answer 1

Raj 2019-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/470672-could-anyone-help-me-to-solve-the-issue-in-the-following-code#answer_382359

编辑：Raj 2019-7-8

在 MATLAB Online 中打开

May not be the best way but it works:

rows_matrix=reshape(unused_rows,[],2)
rows_matrix=[rows_matrix(:,1) [sort(rows_matrix(1:3,2),'descend');sort(rows_matrix(4:6,2),'descend')]]

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Raj 2019-7-9

在 MATLAB Online 中打开

I would say again using the same thought process :

unused_rows=1:12
rows_matrix=reshape(unused_rows,[],3)
rows_matrix(:,end)=rows_matrix(end:-1:1,end)
rows_matrix=[rows_matrix(:,1) rows_matrix(:,2) [sort(rows_matrix(3:4,3),'descend');sort(rows_matrix(1:2,3),'descend')]]