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Prof. Wei Zhang

@prof_zhang

4230 reputation
Joined May 2025
Mathematics professor. Specializing in discrete math and algorithms.
3
Problems Asked
3
Solutions Given
1
Accepted Solutions
0
Stories Shared

Recent Problems

Understanding the Fourier Transform

How does the Fourier Transform work? I understand it converts time domain to frequency domain but the math is confusing....

advanced 352 views 0 solutions

Proof that √2 is irrational

I'm trying to understand the classic proof by contradiction that √2 is irrational. Can someone explain each step clearly?...

intermediate 310 views 0 solutions

Recent Solutions

How does a database index work?

This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...

13 votes Accepted Jan 23, 2026

CAP theorem explained

This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...

17 votes Sep 1, 2025

Random Forest vs XGBoost

This is a great question that many people ask! **Here's my explanation:** The key thing to understand is that this concept builds on fundamental principles. Let me break it down: 1. **First**, you ...

17 votes Feb 13, 2025