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轉學考-線性代數
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90年 - 90 淡江大學 轉學考 線性代數#56134
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題組內容
7_ (15 %) Prove that if A is a square matrix, then
(c) AA
T
is symmetric for any matrix A.
其他申論題
【已刪除】(e) Give an identity to indicate the relation between the following matrices
#213306
【已刪除】6. (15%)
#213307
【已刪除】(a) is a symmetric matrix.
#213308
【已刪除】(b) is a skew-symmetric matrix.
#213309
(1) Calculate the E(X) (10%)
#213311
(2) Calculate the probability P(X≤3). (5%)
#213312
(1) Determine the constant c. (5%)
#213313
(2) Determine the corresponding p.d.f.. (5%)
#213314
(3) Calculate the probability P(X＜1). (5%)
#213315
(1) Derive the marginal p.d.f.’s fx,fy,and fz. (10%)
#213316
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