The Purplemath Forums
Helping students gain understanding and self-confidence in algebra.
Matrix (Linear) Algebra
35 topics • Page 1 of 2 • 1, 2
-
- Topics
- Replies
- Views
- Last post
-
- Please review the forum rules before posting.
by PM_Admin on Mon Dec 08, 2008 12:05 am - 0 Replies
- 1938 Views
- Last post by PM_Admin
on Mon Dec 08, 2008 12:05 am
- Please review the forum rules before posting.
-
- Need help solving Matrix question
by themonsoonkid on Thu Feb 16, 2012 5:52 pm - 1 Replies
- 2282 Views
- Last post by nona.m.nona
on Thu Feb 16, 2012 9:52 pm
- Need help solving Matrix question
-
- decomposing vectors
by MmaureenT on Wed Sep 28, 2011 7:08 pm - 1 Replies
- 1521 Views
- Last post by maggiemagnet
on Fri Sep 30, 2011 1:27 pm
- decomposing vectors
-
- missed class: reduce matrix to red. echelon form
by BuzzieCat on Thu Sep 08, 2011 10:02 am - 1 Replies
- 1574 Views
- Last post by stapel_eliz
on Thu Sep 08, 2011 11:17 am
- missed class: reduce matrix to red. echelon form
-
- Help: properties of Determinants/cramer's rule section
by Jbsmith11 on Mon Mar 28, 2011 4:02 pm - 2 Replies
- 1855 Views
- Last post by Jbsmith11
on Tue Mar 29, 2011 2:46 am
- Help: properties of Determinants/cramer's rule section
-
- Vector Spaces!
by andreacmt on Sun Nov 14, 2010 5:49 am - 2 Replies
- 2009 Views
- Last post by Martingale
on Mon Nov 15, 2010 12:31 pm
- Vector Spaces!
-
- Proof:Show that BAB^-1 is invertible
by bbsa3412 on Tue Oct 05, 2010 3:34 pm - 1 Replies
- 1411 Views
- Last post by Martingale
on Tue Oct 05, 2010 6:15 pm
- Proof:Show that BAB^-1 is invertible
-
- Creating System of Linear equations
by johnny23o on Tue Aug 10, 2010 12:04 am - 5 Replies
- 3917 Views
- Last post by Jaroslaw Jackiw
on Mon Sep 13, 2010 10:49 pm
- Creating System of Linear equations
-
- Linear System Using Matrices
by johnny23o on Mon Aug 09, 2010 11:05 pm - 2 Replies
- 2742 Views
- Last post by johnny23o
on Tue Aug 10, 2010 1:23 pm
- Linear System Using Matrices
-
- Help factor please!!
by Anakalia on Tue May 11, 2010 2:44 pm - 2 Replies
- 2072 Views
- Last post by stapel_eliz
on Wed May 12, 2010 11:15 pm
- Help factor please!!
-
- Finding the basis.
by mauzel on Fri Oct 30, 2009 9:03 pm - 2 Replies
- 3899 Views
- Last post by mauzel
on Fri Oct 30, 2009 11:01 pm
- Finding the basis.
-
- I really need help on this stuff
by isuckatmath on Wed Oct 14, 2009 12:14 am - 1 Replies
- 1878 Views
- Last post by stapel_eliz
on Wed Oct 14, 2009 1:20 am
- I really need help on this stuff
-
- A couple of questions...
by isuckatmath on Wed Oct 07, 2009 2:41 am - 2 Replies
- 2358 Views
- Last post by isuckatmath
on Wed Oct 07, 2009 9:30 pm
- A couple of questions...
-
- Question on finding a solution to a simplex tableau
by calgal on Wed Oct 07, 2009 6:47 pm - 1 Replies
- 1915 Views
- Last post by stapel_eliz
on Wed Oct 07, 2009 7:44 pm
- Question on finding a solution to a simplex tableau
-
- is there a 2x2 matrix A so A2 = -I?
by king&i on Wed Sep 09, 2009 7:22 pm - 2 Replies
- 1962 Views
- Last post by nona.m.nona
on Thu Sep 17, 2009 6:42 pm
- is there a 2x2 matrix A so A2 = -I?
-
- vet designs special diet for cat.... Find least-cost mix
by odysseus on Sat Jul 25, 2009 3:13 pm - 2 Replies
- 2225 Views
- Last post by odysseus
on Mon Jul 27, 2009 6:32 pm
- vet designs special diet for cat.... Find least-cost mix
-
- given system, find solns, show solns form vector space, and
by testing on Mon Jun 29, 2009 5:04 pm - 1 Replies
- 1628 Views
- Last post by Martingale
on Mon Jun 29, 2009 7:37 pm
- given system, find solns, show solns form vector space, and
-
- find basis for (a-2b+5c,2a+5b-8c,-a-4b+7c,3a+b+c)
by lawrence on Tue May 19, 2009 4:58 pm - 8 Replies
- 5057 Views
- Last post by lawrence
on Sun May 24, 2009 1:18 am
- find basis for (a-2b+5c,2a+5b-8c,-a-4b+7c,3a+b+c)
-
- An investment company sells 3 types of pooled funds, Standar
by king&i on Tue May 05, 2009 10:59 pm - 1 Replies
- 2226 Views
- Last post by stapel_eliz
on Wed May 06, 2009 8:17 pm
- An investment company sells 3 types of pooled funds, Standar
-
- how do you reduce a matrix wtih variables to rref?
by king&i on Sat Apr 18, 2009 4:40 pm - 4 Replies
- 2792 Views
- Last post by stapel_eliz
on Sun Apr 19, 2009 5:05 pm
- how do you reduce a matrix wtih variables to rref?
-
- Given matrices A, B, find elem. matrices E, F, so EFB = A
by lawrence on Sat Apr 11, 2009 1:41 pm - 6 Replies
- 3384 Views
- Last post by lawrence
on Sun Apr 12, 2009 9:15 pm
- Given matrices A, B, find elem. matrices E, F, so EFB = A
-
- question about matrix division (I'm getting division by 0?)
by lawrence on Fri Apr 03, 2009 6:24 pm - 3 Replies
- 2080 Views
- Last post by lawrence
on Sat Apr 04, 2009 11:30 am
- question about matrix division (I'm getting division by 0?)
-
- A, B, and C are 2 x 2 matrices. Solve eqn for C: B=(BC+2A)
by testing on Wed Mar 25, 2009 7:46 pm - 1 Replies
- 1262 Views
- Last post by stapel_eliz
on Wed Mar 25, 2009 9:39 pm
- A, B, and C are 2 x 2 matrices. Solve eqn for C: B=(BC+2A)
-
- find values for a, b, and c for which matrix A is symmetric
by testing on Fri Mar 20, 2009 1:26 pm - 1 Replies
- 1673 Views
- Last post by stapel_eliz
on Fri Mar 20, 2009 4:25 pm
- find values for a, b, and c for which matrix A is symmetric
-
- Inverses: B is inverse of A; find X so XA = C for C =....
by mental on Tue Mar 10, 2009 5:09 pm - 2 Replies
- 1695 Views
- Last post by mental
on Wed Mar 11, 2009 12:49 am
- Inverses: B is inverse of A; find X so XA = C for C =....
35 topics • Page 1 of 2
• 1, 2
Forum permissions
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum