代数 示例 矩阵

求解 4×4 单位矩阵

解题步骤 1
大小为 的单位矩阵，是主对角线为 1 而其余元素皆为 0 的 方阵。
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矩阵

Solving Simplifying Matrices Finding the Variables Solving the System of Equations Using an Inverse Matrix Finding the Dimensions Multiplication by a Scalar Multiplication Subtraction Finding the Determinant of the Resulting Matrix Finding the Inverse of the Resulting Matrix Finding the Scalar multiplied by the Identity Matrix Addition

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