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25

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3

answers

52k

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10

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2

answers

394

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Law of Cosines: Proof Without Words

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answer

182

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

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3

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284

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

calculus trigonometry periodic-functions

Jul 8 '20 at 13:57 granthium 47

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4

votes

1

answer

95

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calculus functions

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1

4

votes

2

answers

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

probability statistics normal-distribution moment-generating-functions

Jul 27 '17 at 18:32 Irregardless 473

3

4

votes

1

answer

820

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299

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1

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243

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1

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Bayesian posterior variance

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3

votes

1

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279

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102

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1

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

continuity interpolation spline

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votes

3

answers

78

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

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votes

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

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2

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Finite dimensional vector space.

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1

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Mixture of mixtures.

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407

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1

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76 Questions

Distribution of the difference of two normal random variables.

Law of Cosines: Proof Without Words

Does pointwise convergence imply that a subsequence converges in measure?

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

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

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

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

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

Find the Laurent Expansion of $f(z)$

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

Prove an equality ($L^P$ spaces)

Bayesian posterior variance

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

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

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

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

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

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

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

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

Finite dimensional vector space.

Mixture of mixtures.

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

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

Confused about this definition of limit superior.

Show that $T$ is a sufficient statistic.

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

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

When proving the Fundamental Theorem of Algebra with complex analysis, why doese $P(z)\to\infty$ as $z\to\infty$?

Derive alternate representation of parametric equations of first quadrant of a circle.