Jiajun Zhang

Jiajun Zhang

He/Him

M.Sc in Statistics

Posts by Collection

portfolio

Chinese Food in Montreal

Some Chinese restaurants in Montreal (or maybe other places in Canada or U.S) that I would recommend

Miami

My trip to Miami (Feb 2023)

Orlando

My trip to Orlando (Multiple Times)

Ramen

Some ramen places which I have been to…

Sketching

I also do a lot of sketching, at least when I was young…

Toronto

My trip to Toronto (Multiple Times)

Transformers

Like I said, I love watching Transformers, I used to sketch them on paper when I was in middle school…

Vancouver

My trip to Vancouver (Oct 2023 + May 2026)

publications

Solving Trigonometric Integrals

Written in Summer, 2024

In this article we will investigate different ways to solve trigonometric integrals

Recommended citation: Jiajun Zhang, (2024). Solving Trigonometric Integrals

Partial Fraction Decompositions

Written in Summer, 2024

In this article we will investigate different ways to solve integrals which is a fraction of two polynomials

Recommended citation: Jiajun Zhang, (2024). Partial Fractions Decompositions

Testing Series

Written in Summer, 2024

In this article we will investigate different ways to test the convergence of series

Recommended citation: Jiajun Zhang, (2024). Testing Series

Random Variables and Distributions

Written in Fall, 2024

We will investigate random variables and its density function, probability distribution.

Recommended citation: Jiajun Zhang, (2024) Random Variables and Distributions

Some Continuous Random Variables

Written in Fall, 2024

We will investigate some famous continuous random variables

Recommended citation: Jiajun Zhang, (2024) Some Continuous Distributions

Moments, Generating Functions and Inequalities

Written in Fall, 2024

We will investigate moments of a random variable, and generating functions, and some inequalities related to moments.

Recommended citation: Jiajun Zhang, (2024) Moments, Generating Functions and Inequalities

Some Discrete Random Variables

Written in Fall, 2024

We will investigate some famous discrete random variables

Recommended citation: Jiajun Zhang, (2024) Some Discrete Distributions

Multiple and Independent Random Variables

Written in Fall, 2024

We will investigate multiple random variables and independent random variables

Recommended citation: Jiajun Zhang, (2024) Multiple and Independent Random Variables

Conditional Distributions

Written in Fall, 2024

We will investigate conditional distributions

Recommended citation: Jiajun Zhang, (2024) Conditional Distributions

Conditional Probability and Bayes Theorem

Written in Fall, 2024

We will investigate conditional probability and Bayes theorem.

Recommended citation: Jiajun Zhang, (2024) Conditional Probability and Bayes Theorem

Honors Analysis 3 Notes

Written in Fall, 2024

This is a note on analysis

Recommended citation: Jiajun Zhang, (2024) Honors Analysis 3 Notes

Covariance and Correlations

Written in Fall, 2024

We will investigate covariance and correlations

Recommended citation: Jiajun Zhang, (2024) Covariance and Correlations

Convergence Theorems

Written in Fall, 2024

We will investigate convergence theorems

Recommended citation: Jiajun Zhang, (2024) Convergence Theorems

Random Samples

Written in Winter, 2025

We will investigate some basic theories of random samples

Recommended citation: Jiajun Zhang, (2025) Random Samples

Ordinary Differential Equations

Written in Winter, 2025

Please consult my notes here: here. Note that some topics are not covered in this note. They are under construction, and I will try my best tp update.

Recommended citation: Jiajun Zhang, (2025) Honors ODE (MATH 325) Course Notes

Uniformly Minimum Variance Unbiased Estimator (UMVUE)

Written in Winter, 2025

We will investigate some basic theories of Uniformly Minimum Variance Unbiased Estimator (UMVUE)

Recommended citation: Jiajun Zhang, (2025) Uniformly Minimum Variance Unbiased Estimator (UMVUE)

Unbiased Estimators

Written in Winter, 2025

We will investigate some basic theories of unbiased estimators

Recommended citation: Jiajun Zhang, (2025) Unbiased Estimators

Theory of Sufficiency

Written in Winter, 2025

We will investigate some basic theories of sufficiency

Recommended citation: Jiajun Zhang, (2025) Sufficiency

Hypothesis Testing

Written in Winter, 2025

We will investigate basic theories of hypothesis testing

Recommended citation: Jiajun Zhang, (2025) Hypothesis Testing

Confidence Interval

Written in Winter, 2025

In this article we will talk about confidence interval

Recommended citation: Jiajun Zhang, You. (2025), part of my notes in Honors Statistics taught by Prof. Abbas Khalili

Harmonic Functions

Written in Summer, 2025

In this article we will investigate some properties of harmonic functions and fundamental solutions to the Laplace equations.

Recommended citation: Jiajun Zhang, (2025). Harmonic Functions
Download Slides

Regression and ANOVA

Written in Winter, 2025

Please consult my notes here: here

Recommended citation: Jiajun Zhang, (2025) Regression and ANOVA Course Notes

Graph Theory Exercise Bank

Written in Fall, 2025

I have listed many nice exercises in Graph Theory. Most of them are taken from past midterm exams and assignments

Recommended citation: Jiajun Zhang, (2025) Graph Theory Exercise Bank

Complex Analysis

Written in Winter, 2026

My notes: here

Recommended citation: Jiajun Zhang, (2026) Honors Complex Analysis Notes

talks

Directed Reading Program

Published:

Directed Reading Program: Modeling Rental Price in Calgary Under Spatial Bayesian Paradigms

teaching

Calculus

, , 1900

Practice materials for Calculus (1,2,3)