How can i find row and column numbers of max value of each field in structure?

I fave struct s with 3 fields that have different names, each field 5*10 matrix. Also I have veriable s_max 3*1 with max value from each field.

How can i create a new two variables:

1) s_row with rows numbers corresponding to s_max from each fied

2) s_col with column numbers corresponding to s_max from each fied

Thank you!

Answer 1

[Davide Masiello]

clear,clc

s.ciao  = rand(5);
s.hello = rand(5);
s.hola  = rand(5);

s.max = [max(s.ciao(:));max(s.hello(:));max(s.hola(:))];

names = fields(s);

for i = 1:length(names)-1
     [s.row(i,1),s.col(i,1)] = find(s.(names{i}) == s.max(i));
end

The loop is a bit of an overkill for only three fields, but the code above will work fine for any number n of fields, just make sure that s.max is the last one.

s = 

  struct with fields:

     ciao: [5×5 double]
    hello: [5×5 double]
     hola: [5×5 double]
      max: [3×1 double]
      row: [3×1 double]
      col: [3×1 double]

>> s.row

ans =

     3
     2
     3

>> s.col

ans =

     4
     2
     4

[Kiryl Zhaliazka]

thank you !