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[交流]
【求助】正定陣的一個小證明題 已有3人參與
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Show that if A is a complex square matrix and if x*Ax is real for all x in Cn( n dimension complex tuple ) , then A is Hermitian. note: x* stands for Hermitian transpose. |

鐵桿木蟲 (正式寫手)
鐵桿木蟲 (職業(yè)作家)
數(shù)學村村長

木蟲 (著名寫手)

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