MATLAB: How to count field numbers of structure

structures

Please let me know how to count field numbers of structure as below.

Structure.A = zeros(10); Structure.B = zeros(10); Structure.C = zeros(10);

there are 3 fields in structure, and I want to know number '3'.

Best Answer

length(fieldnames(Structure))

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MATLAB: Mode of table sizes within a structure

With a little modification the above solution worked with acceptable speed

MATLAB: How to assign the same value to every field, including nested fields of a structure

   A = structfun(@(s) layer2(s,x), 'Uniform', 0);

together with

   function r = layer2(s, x)
     if istruct(s)
       fn = fieldnames(s);
       r = cell2struct( repmat({x}, length(fn), 1), fn, 1);
     else
       r = x;
     end
  end

Best Answer

Related Solutions

MATLAB: Mode of table sizes within a structure

MATLAB: How to assign the same value to every field, including nested fields of a structure

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