Saving variables after every iteration.

hello. im doing my diploma project, and i dont know what do. i spent few hours to get the solution, but have no idea how to solve it. the last line of my code save the last iteration and i understand why. the problem is how to save every iteration.

 numImages = numel(sciezka(1).Files) %tu wyciaga ile jest zdjec w folderze
tabela=[];
for i = 1:numImages
C=(readimage(sciezka,i)); %wczytujesz fote
vektorekpunkciki=detectSURFFeatures(C);
punktydlastania=selectStrongest(vektorekpunkciki, 20)
trainingFeatures = extractFeatures(C, punktydlastania); 
tabela(i)=trainingFeatures(i)
end

Answer 1

[Guillaume]

That line

tabela(i)=trainingFeatures(i)

makes no sense at all. It stores numImages value in tabela , but for image i, it stores the 1st point of the ith feature vector and nothing else. I suspect you wanted either:

tabela = zeros(20, 64, numImages);  %store feature vectors as 3d matrix.
for i = 1:numimages
   %...
   tabela(:, :, i) = trainingFeatures;
end

You then get the feature vector for a given image with

   tabela(:, :, imagenumber)

Or you can use

tabela = cell(1, numImages);
for i = 1:numimages
   %...
   tabela{i} = trainingFeatures;
end

You then get the feature vector for a given image with

tabela{imagenumber}

[Kijek]

this is exactly what i was looking for. thanks!