Solve equation Ax = y, where A and y are known

  • Thread starter xWaffle
  • Start date
  • #1
xWaffle
30
0

Homework Statement


Solve for x: Ax = y.

A = {{2 0 1},
{1 1 4},
{2 2 1}}

y = {{1},
{1},
{1}}


Homework Equations


Basic Matrix operations
_________________________

I have a vague idea how I'm supposed to do this, but I have no attempt yet.. eigenvalues and eigenvectors come to mind..in some way :frown:
 

Answers and Replies

  • #2
LCKurtz
Science Advisor
Homework Helper
Insights Author
Gold Member
9,568
774
Three possibilities come to mind:
Row reduction
Multiply by A inverse
Cramer's rule (determinants)

Try what you know.
 

Suggested for: Solve equation Ax = y, where A and y are known

Replies
8
Views
3K
Replies
19
Views
2K
  • Last Post
Replies
1
Views
1K
Replies
5
Views
982
  • Last Post
Replies
6
Views
37K
Replies
12
Views
829
Replies
9
Views
13K
  • Last Post
Replies
7
Views
1K
Replies
5
Views
4K
Replies
2
Views
2K
Top