[討論]請問如何製造一個semi-orthogonal matrix
請問該如何製造一個matrix X,維度是m-by-n且n>m
使得X*X' = eye(m) = idetity(m-by-m)
這個X不能用很多個m-by-m的orthogonal matrix橫向拼起來
感謝大大解答
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