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X = zeros(4) % Creates a 4x4 matrix of zeros.
X = zeros(3,2) % Creates a 3x2 matrix of zeros.
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X = zeros(sz1, ,szN) returns an sz1-by--by-szN array of zeros where sz1, ,szN indicate the size of each dimension.
For example, zeros(2,3) returns a 2-by-3 matrix