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lmaosome's user avatar
lmaosome
  • Member for 3 years, 5 months
  • Last seen more than a month ago
4 votes
Accepted

Cumulative distribution function (CDF) and distribution of a random variable

3 votes

$X$ and $Y$ be i.i.d $U(0,1)$ random variables. Then $E(X|X>Y)$

3 votes
Accepted

Question about multiplying a rank $1$ density matrix with a positive semidefinite matrix

3 votes
Accepted

Why is $\sigma$-algebra necessary to define a measure?

2 votes

Simple composition of random variables.

2 votes
Accepted

Bounded 2nd derivative and finding a bound for the 1st derivative

2 votes
Accepted

Linear combination of random variables and independence

2 votes

Prove $X/Y$ is a random variable.

2 votes
Accepted

Calculate the measure of a set

2 votes
Accepted

Differentiating a Vector and a Matrix w.r.t. a Vector [Matrix Calculus]

1 vote
Accepted

Expectation of absolute difference of normal random variable $x$ and constant $c$ $\mathbb{E}[|c - x|]$

1 vote
Accepted

About some proofs using epsilon notation.

1 vote
Accepted

Matrix differentiation, $x^T A x$ w.r.t $A$

1 vote

Proving the properties of mutually independent random variables

1 vote
Accepted

Prove that for a given $r>0$ there exists $\theta >0$ so that for all $a \leq x \leq b$, $\theta |f(x)|\leq r$

1 vote
Accepted

Expectation of derivative

1 vote

Union set theory question.

1 vote

Proving Covariance of a linear transformation of the Multivariate Normal Distribution

1 vote

Understanding Monty Hall problem

1 vote
Accepted

Is there a set of matrix transformations that convert a 1D vector into a 2D matrix?

1 vote

Deriving Dot Products

0 votes
Accepted

vector multiply question to prove

0 votes
Accepted

Math.Expectation And Variance of Stationary Series

0 votes

Finding limit of sequence quite hard

0 votes
Accepted

Prove the sum of two different linear transformations is a linear transformation

0 votes

variance of estimator $\hat{\mu}_1=\bar{X_1}$

0 votes
Accepted

Joint distribution of dependent Gaussian variables

0 votes

Comparing two weird estimators