Bowen Peng

Questions (12)

 3 Give a 2*2 block matrix $M = \begin{bmatrix}A&B\\0&C \end{bmatrix}$ and find a formula for $M^{-1}$ in terms of $A$, $B$, and $C$ 2 How to prove $M \models \forall x \forall y \exists z(R(x,\ y)\rightarrow R(y,\ z))$ is corret is a specific model? 1 How to get a basis of $U \cap V$ where U and V are the column space of $A$ and $B$.? 1 Let $w_1 = (0,1,1)$. Expand {$w_1$} to a basis of $R^3$. 1 Let $V = C[0, 1]$ and define an operator $T: V \rightarrow V$ by the following formulas for $T(f)$ as a function of the variable $x$.

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Tags (18)

 0 linear-algebra × 8 0 propositional-calculus 0 vector-spaces × 5 0 first-order-logic 0 matrices × 4 0 inverse 0 logic × 3 0 sylvester-equation 0 predicate-logic × 2 0 tensor-products

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