1541数学简单数值题short
Sherman-Morrison Vector Update A 1
题目
Suppose A is invertible, A^(-1)b = [3, -1]^T, A^(-1)u = [1, 2]^T, v^T A^(-1)b = 2, and v^T A^(-1)u = 1/2. What is (A + u v^T)^(-1) b?
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你的答案
first component
second component