I have to sum the mat2d_SRIz matrices that are renewed at each for cycle. I have to make the accumulation of these matrices. If I write: Matrix_sum = matrix_sum + mat2d_SRIz I can't do it. Any solution?

file=dir('20190710*.mat');

for i=1:length (file)

load(file(i).name)

mat2d_SRIz(mat2d_SRIz<0)=0;

mat2d_SRIz(find(isnan(mat2d_SRIz)==1))=0;

matrice_somma=zeros(360,240);

%matrice_somma=matrice_somma+mat2d_SRIz(1);

end

Answer 1

[Mahesh Taparia]

Hi Mario,

As per your code, you have initialized the matrice_somma variable inside the for loop, which is every time assigned to matrix of zeros. At the end of the loop, you might be getting content of last file of mat2d_SRIz variable. So, to overcome this, you can initialize matrice_somma outside the loop as follows:

 
file=dir('20190710*.mat'); 
matrice_somma=zeros(360,240); 
for i=1:length (file) 
    load(file(i).name) 
    mat2d_SRIz(mat2d_SRIz<0)=0; 
    mat2d_SRIz(find(isnan(mat2d_SRIz)==1))=0; 
    matrice_somma=matrice_somma+mat2d_SRIz(1);  % check with mat2d_SRIz(1),  whether is the matrix which you want to add (it depends on your data format).  
end 

Hope it will help.