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Jun
16
comment How to find number which is greater?
@Bhaskara-III do you know calculus -- derivatives?
Jun
16
answered How to find number which is greater?
Jun
16
comment Interpolation between 2 points on the perimeter of a circle?
if the problem is with the use of $\sin$ and $\cos$, you can approximate them using 3-4 terms in the Taylor series
Jun
16
comment Interpolation between 2 points on the perimeter of a circle?
What does it mean "without use of angles"? Parameterize your curve as $x(t) = \cos (t\pi/2), y(t) = \sin (t\pi/2)$ with $0 \le t \le 1$ then $t=1/2$ comes out to $x = y = \sqrt{2}/2$
Jun
16
comment Prove that $2^{mn}$ is always greater than or equal to $m^n$
@coffeemath yes
Jun
16
revised Prove that $2^{mn}$ is always greater than or equal to $m^n$
added 1 character in body
Jun
16
answered Prove that $2^{mn}$ is always greater than or equal to $m^n$
Jun
16
comment Probability that running maximum $M(t) > 2B(t)$, where $B(t)$ is Brownian Motion starting at 0
An idea would be to condition on $M(t)$, converting $M(t)$ events into hitting time events (remember if $M(t) = x$ then hitting time of $x$ must be before $t$ -- i.e. $\tau_x < t$, and also $\mathbb{P}[\tau_x < t] = 2\mathbb{P}[B_t > x]$.) Not sure how to deal with joint distribution of $B_t,M_t$ though
Jun
16
answered Normal distribution for bags of coal produced from a machine.
Jun
15
comment Closed Form Solution for Minimization involving Standard Normal CDF and PDF
@Did it looked differently when i wrote the solution, i made a mistake. not sure about the other question
Jun
11
comment Solving this Inequation
@MikhaelM please see update, taking logs making things very basic
Jun
11
revised Solving this Inequation
added 138 characters in body
Jun
11
reviewed Approve Dot product of vectors and projections
Jun
11
reviewed Approve Probability of not choosing from a lot
Jun
11
comment converting asymptotic little-oh into big-oh
If $f(n) \cdot n^{1/4-\epsilon} \to 0$ then $f(n) = O(n^{-1/4})$, not $O(n^{1/4})$ as you have claimed
Jun
11
comment How many arithmetic operations are required to do this polynomial division?
depnds on the degree of $p$?
Jun
11
comment converting asymptotic little-oh into big-oh
in std notation, $f(n) = O(n^{-1/4})$
Jun
11
answered Solving this Inequation
Jun
11
comment Probability of not choosing from a lot
that's not what it says in the question -- "10 out of every 1000 are defective" but i can see how you want to interpret it like that. i wasn't the one who downvoted btw
Jun
11
comment Probability of not choosing from a lot
@BelginFish see the update...