assign cell arrays to struct

Question

René Lampert 2022-5-28

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https://ww2.mathworks.cn/matlabcentral/answers/1728890-assign-cell-arrays-to-struct

回答： Stephen23 2022-5-28

Dear all,

is it somehow possible to assign cell arrays to the "field" and "value" variables within a struct, like test=struct(field,value) where "field" and "value" are cell arrays ?

Thanks

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Answer 1

Stephen23 2022-5-28

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在 MATLAB Online 中打开

You could use CELL2STRUCT :

fnm = {'hello','world'};
val = {[1,NaN],[1,4,9]};
S2 = cell2struct(val,fnm,2)
S2 = struct with fields:
    hello: [1 NaN]
    world: [1 4 9]

or a comma-separated list:

tmp = [fnm;val]; % the orientation is important!
S1 = struct(tmp{:})
S1 = struct with fields:
    hello: [1 NaN]
    world: [1 4 9]

https://www.mathworks.com/matlabcentral/answers/1656435-tutorial-comma-separated-lists-and-how-to-use-them

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Answer 2

Image Analyst 2022-5-28

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ca = {1, 'abc', rand(1,4)}
ca = 1×3 cell array
    {[1]}    {'abc'}    {[0.3876 0.4122 0.2440 0.2197]}
test.myField = ca
test = struct with fields:
    myField: {[1]  'abc'  [0.3876 0.4122 0.2440 0.2197]}