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5h
revised Efficient algorithm to find the maximum of a sum of $m$ sines
added 584 characters in body
9h
revised Efficient algorithm to find the maximum of a sum of $m$ sines
added 94 characters in body
9h
answered Efficient algorithm to find the maximum of a sum of $m$ sines
9h
answered Calculate sum $S=\sum_{k=0}^{n}\begin{pmatrix} k \\ m\end{pmatrix}$
10h
answered What does this author mean by “limiting frequency” (in the context of frequentist statistics)
12h
comment Is $74*2^n - 1$ prime for some $n$?
@hardmath : and that is a problem because ... ?
12h
revised Prove that the range of the entire function $z^2+\cos(z)$ is all of $\mathbb{C}$.
added 1301 characters in body
13h
awarded  recurrence-relations
14h
answered Laplace transform of the wave equation
14h
comment Show that the closed ball $B[x,1]$ in $c_0$ is not compact.
I mean find a set such that each point in the set has distance $> 2/3$ from each other point in the set.
18h
revised Proving conjugacy to the Logistic Map
added 265 characters in body
18h
answered Proving conjugacy to the Logistic Map
19h
answered Show that the closed ball $B[x,1]$ in $c_0$ is not compact.
19h
answered Is there an analytical solution for a single unknown in this summation?
1d
answered Calculate an integral depending on n
1d
comment What is meant by “Each of two concentric discs has 20 radial sections of equal size”
Hint: after a random rotation, what is the expected number of matching sectors?
1d
answered What is meant by “Each of two concentric discs has 20 radial sections of equal size”
1d
answered Prove that the range of the entire function $z^2+\cos(z)$ is all of $\mathbb{C}$.
1d
comment For which $x$ the inequality $ax+be^{x/2}>c$, where $a,b,c,x>0$ and $c>2b$ holds
Duplicate of math.stackexchange.com/questions/1300048/…
1d
comment Differential equation for the logistic map
Of course, there's no hope of a good approximation unless (1) is in the region of parameter space where the nonzero fixed point is stable.