The reason why NMF has become so popular
36245
What is the advantage of non-negativity in matrix factorization?
93207
Why do some very simple questions get lots of upvotes?
69490
Why are sum-of-products implementations more popular than product-of-sums implementations?
156334
Why force $F$ is equal to $ma$ and not $mv$?
12284
Mean Value Theorem Motivation
124707
Why are elements with even atomic number more abundant?
100272
Why do we select the metric tensor for raising and lowering indices?
48623
The Role of Rigor
40448
If tenured staff are virtually unsackable, why is the drive to find funding so strong?
100301
Why Cronin Effect Happens?
36041
Explanation of finite correction factor
107883
Why was the Republic so interested in Naboo?
67983
Intuitive reasons for superconductivity
75817
Why does the Coarse-grained Entropy increase?
139909
(Why) Has Kohonen-style SOM fallen out of favor?
92951
Deriving MGF for binomial distribution
77380
How to choose an optimal number of latent factors in non-negative matrix factorization?