作者keyuan (jimmy)
看板NTUEE114HW
标题[问题] 求一题线性代数问题详解
时间Wed May 18 23:18:39 2011
Determine whether the following are subspaces of Ｒ^2Ｘ2
a The set of all 2 X 2 diagonal matrices .
b The set of all 2 X 2 triangular matrices
c The set of all 2 X 2 lower triangular matrices
d The set of all 2 X 2 matrices A such that a12 = 1
e The set of all 2 X 2 matrices B such that b11 = 0
f The set of all symmetric 2 X 2 matrices
g The set of all singular 2 X 2 matrices
Ans : acef
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1F：→ rf0914:你是不会做还是觉得答案错? 05/18 23:34
2F：→ keyuan:明天考试要考 临时抱佛脚 05/18 23:58