### Questions (32)

 10 Derivative of a double integral over a circular region 6 Determinant of remainder of a primitive matrix modulo 2 5 Finding period of a recursive sequence defined by modular operator? 4 Is $x^{2\cdot 3^n}+x^{3^n}+1$ irreducible (mod 2)? 4 Looking for an identity for characteristic polynomial of a matrix to the power of n

### Reputation (520)

 +2 Geometric consequence of absolute vectors +50 Derivative of a double integral over a circular region +5 Chromatic number of a subgraph of a random graph +5 Bound on tail probability with knowledge of a bound on expected value

 1 How to find a “least squares” line with a known slope? 1 Find $x$ and $y$ where $20!=\overline{24329020081766xy\dots}$ 1 Cyclic Redundancy Check of an input sequence using MATLAB 1 differentiation of both sides of the eqution 0 Computing $\bigtriangledown^2(1/r)$

### Tags (62)

 1 calculus × 4 1 matlab 1 elementary-number-theory × 3 0 number-theory × 8 1 least-squares × 2 0 linear-algebra × 8 1 derivatives × 2 0 matrices × 8 1 coding-theory 0 probability × 6