Advanced Algebra Help Forum: Linear and Abstract Algebra

1. ### Make sure your post belongs here

• Replies: 7
• Views: 5,071
Nov 25th 2012, 02:03 PM
1. ### if A^2 =A then det(A) = 0 or 1

• Replies: 1
• Views: 1,054
Sep 6th 2014, 10:07 PM
2. ### If A is non-singular and A^-1=A^T....

• Replies: 1
• Views: 279
Sep 6th 2014, 09:42 PM
3. ### A is invertible iff it can be written as as a product of elementary matrices

• Replies: 2
• Views: 357
Sep 6th 2014, 09:41 PM
4. ### Matrix problem Ax=0 <--> (QA)x=0

• Replies: 1
• Views: 967
Sep 5th 2014, 09:03 PM
5. ### Rank one matrix has a nonzero eigenvalue?

• Replies: 10
• Views: 2,924
Sep 5th 2014, 08:20 AM
6. ### Want to solve this system of equations

• Replies: 4
• Views: 278
Sep 5th 2014, 07:11 AM
7. ### Matrice Question clarification

• Replies: 4
• Views: 570
Sep 5th 2014, 04:59 AM
8. ### Inverse of rank-one perturbation of identity

• Replies: 4
• Views: 5,007
Sep 4th 2014, 06:37 PM
9. ### If A is invertible then A+B and I+BA^-1 are both invertible or both non-invertible

• Replies: 7
• Views: 1,321
Sep 2nd 2014, 04:06 PM
10. ### show for a if a square matrix A...it will hold for A^T

• Replies: 4
• Views: 500
Sep 2nd 2014, 08:52 AM
11. ### Finding real values!

• Replies: 1
• Views: 340
Sep 1st 2014, 04:44 PM
12. ### Elementary Matrices

• Replies: 4
• Views: 379
Sep 1st 2014, 02:47 PM
13. ### Change of basis to upper triangular form

• Replies: 3
• Views: 711
Sep 1st 2014, 12:56 PM
14. ### Induction, one prob. two proofs.

• Replies: 5
• Views: 435
Aug 28th 2014, 04:33 PM
15. ### Matrix Exponential

• Replies: 0
• Views: 306
Aug 27th 2014, 03:56 AM
16. ### Problem with proof

• Replies: 8
• Views: 707
Aug 26th 2014, 07:25 PM
17. ### need help with circle proof

• Replies: 1
• Views: 435
Aug 26th 2014, 08:08 AM
18. ### Why are they called orthogonal and not orthonormal matrices?

• Replies: 1
• Views: 358
Aug 26th 2014, 12:54 AM
19. ### Recursion, short question

• Replies: 2
• Views: 333
Aug 25th 2014, 06:41 AM
20. ### Infinite Vector space

• Replies: 5
• Views: 417
Aug 23rd 2014, 06:01 PM
21. ### Vector Proof

• Replies: 6
• Views: 559
Aug 15th 2014, 07:16 PM
22. ### Efficiently solve linear system

• Replies: 5
• Views: 249
Aug 15th 2014, 06:44 AM
23. ### What on earth does K mean?

• Replies: 3
• Views: 468
Aug 9th 2014, 03:33 AM
24. ### Syntax clarification.

• Replies: 4
• Views: 347
Aug 8th 2014, 06:19 PM
25. ### Question about successor functions.

• Replies: 8
• Views: 2,342
Aug 7th 2014, 09:24 AM
26. ### Linear Algebra and Eigenvalues Question

• Replies: 2
• Views: 262
Aug 6th 2014, 12:09 PM
27. ### Minor question

• Replies: 3
• Views: 398
Aug 4th 2014, 10:28 AM
28. ### singular vs non singular matrix

• Replies: 3
• Views: 1,565
Aug 3rd 2014, 09:04 PM

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