Posts

Using mcreplicate Package

An example of Using mcreplicate package.

Last updated on Feb 24, 2024 2 min read

Ordering 15 Team Members

A nice algorithm for outputing a permutation.

Last updated on Oct 21, 2023 4 min read

Finding the Radius of the Brown Circle

Having fun with a math problem.

Last updated on Sep 28, 2023 2 min read

Solving a Combinatorial Problem Using Bijection

A thing worth knowing.

Last updated on Aug 12, 2023 2 min read

A Note on R Function base::sample()

It is about a defect in R function sample()

Last updated on Jun 17, 2023 2 min read

Proof of $(n+1)^n < n^{n+1}$

Last updated on Mar 12, 2023 1 min read

Solving a Three-Dice Problem Using Two Approaches

I discuss a 3-dice problem and then generalize it to an n-dice problem.

Last updated on Feb 26, 2023 4 min read

Poof of cos(sin(x)) > sin(cos(x))

Solving another problem on Quora—high school math.

Last updated on Feb 18, 2023 2 min read

Solving a Probability Problem on Quora

Generalize a problem on Quora and then solve it.

Last updated on Jan 28, 2023 3 min read

Covariance of X-bar and S

This is an interesting exercise.

Last updated on Dec 18, 2022 1 min read