Linear Algebra and Group Theory

523 topics in this forum

1. Can matrix element be multiplication of two matrices

   By kemfys, March 28
   • 4 replies
   • 135 views
   • 
   • taeto
   • March 30

2. Calculating a determinant of specific matrix

   By mathodman, March 17
   • 6 replies
   • 165 views
   • 
   • taeto
   • March 18

3. Urgent help needed: Condition for unique solution for matrix A that have infinite solutions under maximum trace(A)

   By zeeshas901, February 16
   • 2 replies
   • 221 views
   • 
   • taeto
   • February 16

4. The most beautiful formulas

   By Passenger, August 22, 2019
   • 4 replies
   • 499 views
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   • Country Boy
   • February 13

5. Linear transformations

   By Lauren1234, January 20
   • 2 replies
   • 299 views
   • 
   • Country Boy
   • February 10

6. Tangent Space and Cotangent Space on a Surface.

   By geordief, February 1
   • 13 replies
   • 307 views
   • 
   • geordief
   • February 3

7. Fractals

   By Passenger, August 24, 2019
   • 3 replies
   • 504 views
   • 
   • moth
   • February 1

8. Linear transformations

   By Lauren1234, January 18
   • 6 replies
   • 257 views
   • 
   • taeto
   • January 19

9. Impredicative theory?

   By taeto, January 2
   • 11 replies
   • 343 views
   • 
   • taeto
   • January 7

10. Number Theory image

    By matqkks, December 12, 2019
    • 2 replies
    • 271 views
    • 
    • Strange
    • January 2

11. Complex spaces

    By Passenger, August 23, 2019
    • 9 replies
    • 1125 views
    • 
    • Strange
    • September 16, 2019

12. Moore-Penrose pseudoinverse

    By Ningyi2009, September 13, 2019
    • 0 replies
    • 341 views
    • 
    • Ningyi2009
    • September 13, 2019

13. Reflexivity

    By Lizwi, July 26, 2019
    • 4 replies
    • 583 views
    • 
    • ydoaPs
    • July 30, 2019

14. Reflecivity in equivalence relation

    By Lizwi, July 25, 2019
    • 3 replies
    • 482 views
    • 
    • ydoaPs
    • July 30, 2019

15. What is x?

    By Achilles, September 6, 2018
    • 2 replies
    • 1064 views
    • 
    • Lizwi
    • July 27, 2019

16. Modular Arithmetic

    By Lizwi, July 26, 2019
    • 2 replies
    • 441 views
    • 
    • Lizwi
    • July 27, 2019

17. Let C8 be the cyclic group of order eight. Let G=(C8)^10 and H=(C8)^3 and H is a subgroup of G.

    By dead slug, July 12, 2019
    • 0 replies
    • 835 views
    • 
    • dead slug
    • July 12, 2019

18. applications of Lagrange theorem in daily life

    By shagufta, February 23, 2019
    • 7 replies
    • 1743 views
    • 
    • MotleyNoumenon
    • July 8, 2019

19. Trace inequality

    By Shadow, September 5, 2013
    • 1 reply
    • 1672 views
    • 
    • MotleyNoumenon
    • July 7, 2019

20. Way to express a number in its most compact sum of powers

    By DaviFN, June 30, 2019
    • 0 replies
    • 536 views
    • 
    • DaviFN
    • June 30, 2019

21. What to include?

    By matqkks, June 19, 2019
    • 0 replies
    • 605 views
    • 
    • matqkks
    • June 19, 2019

22. I discovered an incredible formula...by accident!

    By EdwardKingSolomon, May 11, 2019
    • 2 replies
    • 782 views
    • 
    • Strange
    • May 11, 2019

23. need help

    By Suyogya, April 2, 2019
    • 1 reply
    • 786 views
    • 
    • HallsofIvy
    • April 8, 2019

24. the infinite problem

    By quocdat, February 19, 2019
    • 5 replies
    • 779 views
    • 
    • mathematic
    • February 19, 2019

25. Is my proof correct? 1 2

    By michusid, February 7, 2019
    • 26 replies
    • 1578 views
    • 
    • studiot
    • February 13, 2019