create a struct with two columns

Question

Alberto Acri 2023-6-14

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1983089-create-a-struct-with-two-columns

评论： Stephen23 2023-6-14

采纳的回答： Stephen23

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Hi. I want to create a structure like the one in the figure consisting of two columns: 'name' and 'folder'.

I already have the char (created by a for loop) of:

for k = 1:7
    name_char % = '0001';
    folder_char  %= 'C\.....';
end

I tried to create the structure but I don't know how to insert all the values inside name_char and folder_char generated by the for loop.

first_column = 'name_char';
second_column = 'folder_char';
s = struct(first_column,name_char,second_column,folder_char);

How can I do it?

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Stephen23 2023-6-14

"Hi. I want to create a structure like the one in the figure consisting of two columns: 'name' and 'folder'."

Actually your structure has exactly one column, and six fields. This is clearly shown in the screenshot.

Do not confuse the number of fields with the size of a structure, they are completely unrelated.

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Answer 1

Stephen23 2023-6-14

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"How can I do it?"

S = struct([]);
for k = 1:7
    name_char % = '0001';
    folder_char  %= 'C\.....';
    S(k).name = name_char;
    S(k).folder = folder_char;
end

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Answer 2

Satwik 2023-6-14

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for k = 1:7
    name_char  = '0001';
    folder_char  = 'C\.....';
end
first_column = 'name_char';
second_column = 'folder_char';
s = struct('first_column',{name_char},'second_column',{folder_char});
s = struct with fields:
     first_column: '0001'
    second_column: 'C\.....'