2,633 reputation
2033
bio website ephorie.de
location Germany
age 44
visits member for 4 years, 1 month
seen 14 hours ago

just an amateur fascinated by math


May
15
accepted Example for finite dimensional analog of integral transforms
Mar
9
accepted Intuition and counterexamples for higher-order derivative test
Jan
25
accepted How to ensure that you haven't run into a paradox proving a theorem e.g. by proof by contradiction?
Oct
7
accepted How to estimate the size of a ratio with very large factorials?
Sep
10
accepted How many ways to choose $k$ out of $n$ numbers with exactly/at least $m$ consecutive numbers?
Aug
1
accepted Hard integral that standard CAS get totally wrong
Aug
1
accepted In which senses can an integral exist?
Mar
13
accepted Birthday paradox: Comparing the original version with the same-birthday-as-you version
Mar
8
accepted How to prove that the limit is max(0,x)?
Jan
22
accepted Software for simulating (partial) differential equations
Oct
22
accepted How to round 0.4999… ? Is it 0 or 1?
Jul
19
accepted Average run lengths for large numbers of trials: Intuition and proof
May
13
accepted Differential equations: Connection between repeated roots of characteristic equation and generalized eigenvectors
May
5
accepted Algorithms for finding closed form approximations for integrals (with no closed form solutions)
Jan
25
accepted Integral paradox: Deterministic integral interpreted as limiting case of stochastic integral
Sep
26
accepted How to verify that the average is really a simple calculation?
Sep
23
accepted How to calculate the expected value when betting on which pairings will be selected
Jul
21
accepted Proof that the first reappearing remainder when dividing one by a prime number is one
Jul
15
accepted Which internal angles can a lattice polygon have?
Jun
27
accepted Proof for law of complex exponents using only differential equation