ALEXANDER

### Questions (149)

 8 How to integrate $\int \sec ^m(x) \tan ^n(x) \, dx$ 7 Constructing a certain rational number (Rudin) 5 Linear Matrix Least Squares with Linear Equality Constraint - Minimize ${\left\| A - B \right\|}_{F}^{2}$ Subject to $B x = v$ 5 Using mean value theorem to show that $\cos (x)>1-x^2/2$ 5 Chapman - Kolmogorov equation explained

### Reputation (1,837)

 +10 How sum work, vectors and matrices +10 Constructing a certain rational number (Rudin) +10 Using mean value theorem to show that $\cos (x)>1-x^2/2$ +10 Chapman - Kolmogorov equation explained

 2 How am I supposed to work this out, or do I have to memorize?

### Tags (66)

 2 trigonometry × 6 0 proof-explanation × 7 0 calculus × 63 0 proof-verification × 7 0 real-analysis × 14 0 stochastic-calculus × 7 0 algebra-precalculus × 13 0 ordinary-differential-equations × 6 0 limits × 12 0 linear-algebra × 5

### Bookmarks (60)

 194 List of interesting math videos / documentaries 140 Partial derivative in gradient descent for two variables 112 derivative of cost function for Logistic Regression 109 Why do we still do symbolic math? 55 Generating correlated random numbers: Why does Cholesky decomposition work?