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a. Write a matlab function for computing the mean of every class.
%%% PART A
%Compute mean function
function [X_m,y_m] = compute_mean(X,y)
y_m = [0;1;2;3;4;5;6;7;8;9];
%Create empty array to be populated with mean values
X_m = zeros(10,784);
%Go through all values in the dataset and calculate totals for each label &
label = y(i);
%Divide each total by the number of each type of label to calculate the
num = nnz(y==i-1);
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