Understanding matrix multiplication

Asked by Jennifer Lee Nov 9, 2025 intermediate 474 views
18

I don't understand why matrix multiplication isn't commutative. AB ≠ BA in most cases. Can someone explain with examples why this is the case and when it might be equal?

Solutions

1 answer
Accepted Answer
5

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 need to understand the basics
  2. Then, apply the concept step by step
  3. Finally, practice with real examples

Example:

// Here's a practical example
function example() {
  // Your code here
  return result;
}

Key takeaways:

  • Always start with the fundamentals
  • Practice makes perfect
  • Don't be afraid to ask questions

Hope this helps! Feel free to ask if you need more clarification.

Answered by David Miller May 15, 2025