Math Problem Statement

证明与任意n阶方阵可交换的矩阵一定是n阶数量矩阵

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Algebra
Matrix Theory
Commutativity of Matrices

Formulas

AX = XA
X = cI (where c is a constant and I is the identity matrix)

Theorems

Matrix Commutativity Theorem
Diagonalization of Matrices

Suitable Grade Level

Undergraduate Mathematics