Simplifying Matrix Multiplication: A Beginner's Guide

Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
Sign up Log in
1 reply · 3K views
mrroboto
Messages
35
Reaction score
0
Matrix multiplication confuses me. How, for example, would I multiply these matrices:

a b c
d e f
g h i

x

r s t
u v w
x y z

?

Thanks!
 

Discussion

Physics news on Phys.org

Similar threads

Graduate Matrix multiplication, Orthogonal matrix, Independent parameters

  • LagrangeEuler
  • · Replies 3 ·
  • Linear and Abstract Algebra
Replies
3

Graduate Matrix Multiplication: Solving A*A'=B for Unique A(B)

  • feynman1
  • · Replies 18 ·
  • Linear and Abstract Algebra
Replies
18

Undergrad Why is the dot product equivalent to matrix multiplication?

  • rdgn
  • · Replies 4 ·
  • Linear and Abstract Algebra
Replies
4

Undergrad What does adjacent indices mean in the context of matrix multiplication?

  • Oppie
  • · Replies 2 ·
  • Linear and Abstract Algebra
Replies
2

Sava's question via email about matrix multiplication

  • Prove It
  • · Replies 1 ·
  • Linear and Abstract Algebra
Replies
1

High School Associativity of Matrix multiplication

  • Buffu
  • · Replies 15 ·
  • Linear and Abstract Algebra
Replies
15

Undergrad Matrix Multiplication and Function Composition

  • Septimra
  • · Replies 4 ·
  • Linear and Abstract Algebra
Replies
4

Undergrad A question about the cross product as related to matrix multiplication

  • RufusDawes
  • · Replies 9 ·
  • Linear and Abstract Algebra
Replies
9

Undergrad Understanding Matrix Multiplication: A Vector-Based Explanation

  • ajayguhan
  • · Replies 14 ·
  • Linear and Abstract Algebra
Replies
14

Problem involving matrix multiplication and dot product in one proof

  • gucci1
  • · Replies 6 ·
  • Linear and Abstract Algebra
Replies
6