How can i find the center value of a matrix NxN, where N is odd number. After that, how can i change that number for another number
MATLAB: Center of matrix value
centerMATLABmatrix
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Use euclidean distance
d = sqrt( (x2-x1).^2 + (y2-y1).^2 );Assuming euclidean distance metric:
n = randi(3, 10); %demo input
vals = unique(n); %get unique values in n
mdistances = zeros(size(vals)); %create storage for mean of distance for each unique value
for vidx = 1:numel(vals) %iterate over each unique value
[rows, cols] = find(n == vals(vidx)); %get location of all points with that unique value
dist = hypot(rows - rows.', cols - cols.'); %calculate distance between each pair of point. Creates a symmetric matrix
mdistances = mean(dist(tril(true(size(dist)), -1))); %calculate mean of lower triangular matrix below diagonal of dist. i.e. distance between each unique pair of points
endedit: spelling
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