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题目内容
（兰州工业学院 线性代数）
下列哪些是线性映射（）
A.[a1,a2,...,an-1,an]→[a2,a3,...,an,a1]
B.[a1,a2,...,an-1,an]→[a1,a1,a2,...,an]
C.[a1,a2,...,an-1,an]→[a1,a2,...,an]
D.[a1,a2,...,an-1,an]→[a1²,a2²,...,an²]
A.[a1,a2,...,an-1,an]→[a2,a3,...,an,a1]
B.[a1,a2,...,an-1,an]→[a1,a1,a2,...,an]
C.[a1,a2,...,an-1,an]→[a1,a2,...,an]
D.[a1,a2,...,an-1,an]→[a1²,a2²,...,an²]
参考答案
