更合理的导出行列式的计算
# Definition To derive the determinant rigorously from the concept of nnn -dimensional volume, we define a function f:(Rn)n→Rf: (\mathbb{R}^n)^n \to \mathbb{R} f:(Rn)n→R that maps nnn vectors (v1,v2,…,vn)(\mathbf{v}_1, \mathbf{v}_2, \dots, \mathbf{v}_n)(v1,v2,…,vn) to a scalar representing the si
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