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nonremovable
  • Member for 7 years, 11 months
  • Last seen more than a month ago
  • Morrisdale, PA, USA
26 votes
3 answers
57k views

Distribution of the difference of two normal random variables.

10 votes
3 answers
617 views

Law of Cosines: Proof Without Words

6 votes
3 answers
1k views

Prove an inequality using the Cauchy -Schwarz Inequality [duplicate]

6 votes
1 answer
199 views

Does pointwise convergence imply that a subsequence converges in measure?

5 votes
4 answers
337 views

Is this statement meaningful if one of the elements is undefined?

4 votes
4 answers
302 views

Sequence proof (by induction, presumably) giving me trouble. [duplicate]

4 votes
2 answers
18k views

Proof that if $Z$ is standard normal, then $Z^2$ is distributed Chi-Square (1).

4 votes
1 answer
268 views

Prove an equality ($L^P$ spaces)

4 votes
3 answers
476 views

Verifying the period of $f(x)=\sin(x)+\cos(x/2)$

4 votes
1 answer
932 views

Find the Laurent Expansion of $f(z)$

3 votes
1 answer
324 views

Show that $z^n+nz-1$ has $n$ zeros in $D(0,R)$

3 votes
4 answers
182 views

When will $\operatorname{det}\left(A\cdot A^{\top}\right)=0$?

3 votes
1 answer
136 views

What kind of a function is $y=2^{\frac{1}{x}}$?

3 votes
1 answer
2k views

Bayesian posterior variance

3 votes
1 answer
110 views

Show that there is $z_0$ on the unit circle such that $|p(z_0)|>1$. [duplicate]

2 votes
1 answer
352 views

Confused about this definition of limit superior.

2 votes
2 answers
798 views

Find the median of a function of a normal random variable.

2 votes
1 answer
355 views

Find $E[S]$ where $S$ is the standard deviation of a random sample from a $N(\mu,\sigma^2)$ population.

2 votes
1 answer
275 views

Is this example of diagonalizable matrix in error?

2 votes
1 answer
350 views

NURBS: Advice for specifying the first derivative at the endpoints of a C2 cubic spline interpolation.

2 votes
2 answers
1k views

How to make a closed interpolating B-spline smooth at the joining point.

2 votes
1 answer
926 views

Suppose that $T$ is a normal operator on $V$. Show that $\|T(v+w)\|=10$.

2 votes
3 answers
82 views

Is there a solution to $Tx=y$ such that $\|x\|$ is minimal?

2 votes
2 answers
337 views

Finite dimensional vector space.

2 votes
1 answer
3k views

If A is a Lebesgue measurable set then there exists open set G and closed set F with $F\subset A\subset G$ and the measure of G-F is less than epsilon

2 votes
1 answer
156 views

Mixture of mixtures.

2 votes
0 answers
216 views

Show that $T$ is a sufficient statistic.

2 votes
2 answers
7k views

Path integral of ${1\over z^{2}}$ around a circle

2 votes
1 answer
534 views

Find the Laurent expansion for $f(z)=\frac{\exp{1/z^2}}{z-1}$ about $z=0$.

1 vote
1 answer
300 views

Evaluate integral using Residue Theorem