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# Advanced Algebra Forum

Advanced Algebra Help Forum: Linear and Abstract Algebra

1. ### Make sure your post belongs here

• Replies: 7
• Views: 4,858
Nov 25th 2012, 02:03 PM
1. ### Cofactors, adj, 2x2 matrix

• Replies: 2
• Views: 51,427
Feb 27th 2010, 07:49 AM
2. ### Finding the eigenvalues of a 4x4 matrix?

• Replies: 5
• Views: 23,913
Nov 6th 2008, 05:25 AM
3. ### Trivial/Non Trivial Solutions

• Replies: 14
• Views: 23,487
Oct 15th 2008, 05:17 PM
4. ### Inverse of 2x1 matrix.

• Replies: 6
• Views: 22,714
Feb 7th 2011, 02:53 AM
5. ### vector equation of line through point perpendicular to plane

• Replies: 8
• Views: 22,676
Jun 7th 2008, 09:09 PM
6. ### Trace = Sum of eigen values - proof?

• Replies: 7
• Views: 19,401
Jun 3rd 2012, 12:16 AM
7. ### How to calculate row, null and column space of a matrix?

• Replies: 4
• Views: 16,843
Apr 16th 2012, 10:48 AM
8. ### Multiplying three matrices together

• Replies: 1
• Views: 16,815
Jun 7th 2010, 05:39 AM
9. ### Eigenvalues of Unitary Matrix proof

• Replies: 1
• Views: 15,978
Apr 19th 2010, 06:38 PM
10. ### when is f o g = g o f?

• Replies: 4
• Views: 15,616
Jan 20th 2008, 09:36 AM
11. ### Where does the plane intersect the axis?

• Replies: 1
• Views: 14,893
Oct 25th 2012, 07:27 PM
12. ### Limit of matrix A^n as n approaches infinity

• Replies: 8
• Views: 13,796
Oct 29th 2009, 03:07 PM
13. ### linear algebra- upside down y symbol??

• Replies: 8
• Views: 11,440
Mar 11th 2009, 05:25 PM
14. ### Prove: for any mxn matrix A, Rank(A)=0 iff A is zero Matrix

• Replies: 1
• Views: 11,278
Apr 1st 2010, 08:34 AM
15. ### Two cars are approaching an intersection.

• Replies: 2
• Views: 10,630
Oct 21st 2005, 09:36 AM
16. ### Three vectors lie on the same line

• Replies: 9
• Views: 10,062
Aug 4th 2010, 06:51 AM
17. ### Basis perpendicular to a subspace spanned by 2 vectors

• Replies: 17
• Views: 10,003
Apr 19th 2010, 06:06 PM
18. ### Finding a formula for a matrix raised to the nth power

• Replies: 2
• Views: 9,435
Aug 5th 2009, 04:03 PM
19. ### Finding nonzero matrices that result in AB=0

• Replies: 3
• Views: 8,881
Apr 11th 2011, 01:32 PM
20. ### Subsets that are subspaces of P2

• Replies: 1
• Views: 8,732
Feb 17th 2011, 08:02 PM
21. ### Prove that if A is diagonalizable, so is its inverse

• Replies: 4
• Views: 8,699
Apr 12th 2010, 11:46 AM
22. ### Eigenvalues - Determinant proof

• Replies: 4
• Views: 8,555
Feb 14th 2009, 07:07 PM
23. ### Basis for eigenspace!

• Replies: 5
• Views: 8,521
May 18th 2008, 08:14 AM
24. ### det(kA)=k^n det(A)

• Replies: 2
• Views: 8,409
Nov 3rd 2010, 12:53 AM
25. ### Parametric Vector Form

• Replies: 3
• Views: 8,319
Oct 1st 2007, 07:07 PM
26. ### Vector space of all 2x2 matrices

• Replies: 3
• Views: 8,171
May 14th 2010, 02:27 AM
27. ### How many types of 2x2 matrices are there in reduced row-echelon form?

• Replies: 5
• Views: 8,133
Feb 7th 2011, 12:57 PM
28. ### Vector Spaces

• Replies: 3
• Views: 7,948
Feb 27th 2010, 10:50 AM

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