For Loop to Cycle through Struct

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Nat Person 2021-1-13

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https://ww2.mathworks.cn/matlabcentral/answers/716433-for-loop-to-cycle-through-struct

回答： Arjun 2024-8-20，6:18

I have a 6x1 struct and want to create a for loop that will cycle through and pull out the name field of the 1x1 struct.

How can I do that? ** I am using R2012a **

I apologize for the strange format, the toolbar at the top of the body is missing and I'm still trying to fix it.

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Athrey Ranjith Krishnanunni 2021-1-15

You probably don't need a for loop, you can use the function fieldnames(S) (look at its documentation for more info).

P. S. You can use Alt + Enter to switch between code and plain text modes.

AANJANEY KUMAR VERMA 2022-7-25

在 MATLAB Online 中打开

listNames = { YourStructArray.Name };

This will return a cell array of all the names present in the array of structs.

Hope this helps

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Answer 1

Arjun 2024-8-20，6:18

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/716433-for-loop-to-cycle-through-struct#answer_1501329

在 MATLAB Online 中打开

Hi,

As per my understanding, there is a struct array of dimension 6x1 and you want to use a 'for' loop to cycle through each and pick a certain field.

This can be done using the below mentioned steps:.

Initialize a cell array to store the vested fields
Loop through each element of the struct array
Access the name field using .(dot) operator and store it in the cell array for future use

Please see the below code on how to achieve this:

% Create a 6x1 structure array with a 'name' field
myStruct(1).name = 'Alice';
myStruct(2).name = 'Bob';
myStruct(3).name = 'Charlie';
myStruct(4).name = 'David';
myStruct(5).name = 'Eve';
myStruct(6).name = 'Frank';
% Initialize a cell array to store the names
names = cell(length(myStruct), 1);
% Loop through each element of the structure array
for i = 1:length(myStruct)
    % Access the 'name' field of each element
    names{i} = myStruct(i).name;
end
% Display the names
disp(names);

The provided code is a sample script that demonstrates how to display the name fields from all the structures within a structure array. You can adjust this code to fit your specific requirements.

I hope this will help!