xiamx
Reputation
284
Next privilege 500 Rep.
Access review queues
2 14
Impact
~13k people reached

Questions (12)

 5 Determinant of a linear transformation defining matrix transpose 4 Prove $3^n = \sum_{0 \leq i \leq j \leq n}$ $n \choose i$ $i \choose j$ 3 Show $(W_1 + W_2 )^\perp = W_1^\perp \cap W_2^\perp$ and $W_1^\perp + W_2^\perp ⊆ (W_1 \cap W_2 )^\perp$ 2 How to solve $\int\tan^3(x)\,dx$? 1 How to integrate the volume of a solid torus (donut-shaped solid)?

Reputation (284)

 +10 Show $(W_1 + W_2 )^\perp = W_1^\perp \cap W_2^\perp$ and $W_1^\perp + W_2^\perp ⊆ (W_1 \cap W_2 )^\perp$ +5 Prove $3^n = \sum_{0 \leq i \leq j \leq n}$ $n \choose i$ $i \choose j$ +5 How to integrate the volume of a solid torus (donut-shaped solid)? +10 Find a matrix that diagonalizes

 3 Show that Fermat's Little Theorem doesn't hold if p is not prime … 1 How to solve recurrence equation $f(n) = f(n-5) + f(n-10)$? 1 Find a matrix that diagonalizes

Tags (13)

 3 modular-arithmetic × 2 1 matrices × 2 3 number-theory 0 combinatorics × 3 3 discrete-mathematics 0 inner-product-space × 2 1 linear-algebra × 3 0 integration × 2 1 recurrence-relations × 3 0 complex-numbers

Accounts (10)

 Stack Overflow 376 rep 515 Mathematics 284 rep 214 Super User 250 rep 212 Computer Science 181 rep 5 Server Fault 177 rep 16