er Why do we square for minimizing the difference between two values
58249
Why do we use a Least Squares fit?
25605
Why does the median minimize $E(|X-c|)$?
116780
product is twice a square
83677
Use of negative frequency for the sake of simplifying mathematics?
34797
$E|X-m|$ is minimised at $m$=median
144439
For a $C^1$ function, the difference $|{g'(c)} - {{g(d)-g(c)} \over {d-c}} |$ is small when $|d-c|$ is small
62974
Extended Euclidean Algorithm: why does it work?
113516
Why can we only add or subtract things of the same dimension (meters/second, newtons, etc)?
135975
Why would one suppress the intercept in linear regression?
144244
Bound on difference between irrational square root and rational number
102138
Why does $\sqrt{x^2}$ seem to equal $x$ and not $|x|$ when you multiply the exponents?
31979
Notation: Why write the differential first?
14633
What's the thing with $\sqrt{-1} = i$
41356
Reason for square images in deep learning
45364
Why is there a $2$ at the denominator of the mean squared error function?
156561
Minimizing distance between an ellipse and a point
54030
Square and square root and negative numbers