neingeist/coursera-ml-007-exercises
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neingeist 2014-11-19 21:12:54 +01:00
parent 2b98bd80f0
commit 798f82ecc1
1 changed files with 36 additions and 26 deletions
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10
ex7/projectData.m
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@ -18,8 +18,18 @@ Z = zeros(size(X, 1), K);
% projection_k = x' * U(:, k); % projection_k = x' * U(:, k);
% %
U_reduce = U(:, 1:K);
m = size(X, 1);
n = size(X, 2);
for i = 1:m
x = X(i, :)';
z = x' * U_reduce;
Z(i, :) = z;
end
assert(size(Z) == [m K]);
% ============================================================= % =============================================================