286 What is the intuitive relationship between SVD and PCA? 222 Funny identities 72 A circle rolls along a parabola 67 Help with a prime number spiral which turns 90 degrees at each prime 65 What is the meaning of the third derivative of a function at a point

### Reputation (65,645)

 +10 Accelerating Convergence of a Sequence +30 What is the intuitive relationship between SVD and PCA? +10 Graphs for which a calculus student can reasonably compute the arclength +10 Find the sum of $\sum 1/(k^2 - a^2)$ when \$0

### Questions (26)

 59 Using Gröbner bases for solving polynomial equations 47 How do you prove Gautschi's inequality for the gamma function? 42 A golden ratio series from a comic book 32 On nonintersecting loxodromes 31 The right “weigh” to do integrals

### Tags (268)

 910 calculus × 113 560 numerical-methods × 98 903 linear-algebra × 114 542 matrices × 85 787 geometry × 110 539 integration × 77 616 sequences-and-series × 95 398 statistics × 20 561 special-functions × 93 371 plane-curves × 50