引用
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[2] Wikipedia contributors. "酉矩陣."維基百科, 自由的百科全書. 維基百科, 自由的百科全書,15Nov.2018.Web.15Nov.2018
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[3] Cnblogs.com. (2017).奇異值分解(SVD)原理與在降維中的應用 - 劉建平Pinard - 博客園.[online]Availableat: https://www.cnblogs.com/pinard/p/6251584.html [Accessed 4 Mar. 2019].
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