The Weierstrass theorem expresses an important property of real_valued function in mathematical analysis. It's proved that the determinant of a matrix is greater than zero by constructing a continuous real_valued function representing in the form of a mat
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郭华,刘小明. Weierstrass定理在线性代数中的一个应用[J].重庆工商大学学报(自然科学版),2000,(3): GUO Hua, LIU Xiao_ming. An Application of Weierstrass Theorem in Linear Algebra[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2000,(3):