MATLAB: Struct array

struct

Hi guys,

There are two struct arrays, A, B; They both have a member data called "id". For example: A(1).id = []; A(2).id = [] B(1).id = 'hello'; B(2).id = 'yes';

I'd like to copy the "id" of B to A without using loop.

Is there any method?

Thanks

Best Answer

[A(:).id] = B.id

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MATLAB: Is there a smart way to update the array

test = ismember(id_final,ids);%id_final is a temporary array
ids = [ids id_final(~test)];

Note: if the order of the ids is not important, just use

ids = union(ids, id_final);

MATLAB: Modified version of VLOOKUP for Matlab

You can do this using OUTERJOIN .

A = table;
A.ID = [1;1;2];
A.AD = datetime({'2016/01/01'; '2015/02/02'; '2010/3/3'});
A.PC = [100;200;300];
B = table;
B.ID = [1;2];
B.AD = datetime({'2012/01/01'; '2010/3/3'});
B.Irrelevant = {'aaa'; 'bb'};
B_Price = outerjoin(A,B,'type','right','MergeKeys',true)

This gives you

B_Price = 
    ID        AD        PC     Irrelevant
    __    __________    ___    __________
    1     2012/01/01    NaN    'aaa'     
    2     2010/03/03    300    'bb'

Best Answer

Related Solutions

MATLAB: Is there a smart way to update the array

MATLAB: Modified version of VLOOKUP for Matlab

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