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Jul
9
accepted Visualization of 2-dimensional function spaces
Jun
3
accepted Variance of the sums of all combinations of a set of numbers
May
31
accepted Variance of a special random walk
Jan
14
accepted Connections between the solution of simple ordinary equation, normal distribution and heat equation
Jan
5
accepted Geometric interpretation of determinant of a system of homogenous linear equations
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