Linear Algebra and Group Theory

559 topics in this forum

1. How to solve for three unknown variable that are given in three equations? 1 2

   By Achilles, September 6, 2018
   • 32 replies
   • 5.6k views
   • 
   • inSe
   • September 8, 2018

2. Stereotypicalness in Numbers 1 2

   By KHinfcube22, April 17, 2003
   • 35 replies
   • 5.6k views
   • 
   • Dave
   • December 17, 2003

3. Irrationality of √3

   By vovka, December 15, 2017
   • 12 replies
   • 5.6k views
   • 
   • John Cuthber
   • January 7, 2018

4. Resistor Cube

   By YT2095, August 30, 2003
   • 3 replies
   • 5.6k views
   • 
   • deonm
   • July 4, 2009

5. Rearranging equations with square roots...

   By shaneo, May 16, 2014
   • 6 replies
   • 5.5k views
   • 
   • studiot
   • May 26, 2014

6. given 2 points, calculate angle

   By gib65, August 30, 2010
   • 5 replies
   • 5.5k views
   • 
   • Shadow
   • September 5, 2010

7. Discrete Math: Completely Worthless?

   By Firedragon52, September 8, 2004
   • 19 replies
   • 5.4k views
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   • MandrakeRoot
   • September 10, 2004

8. help with sum of rank-1 matrices

   By ecoli, June 26, 2012
   • 2 replies
   • 5.4k views
   • 
   • ecoli
   • June 26, 2012

9. Phi - The Golden Ratio

   By Loki, August 18, 2003
   • 23 replies
   • 5.3k views
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   • bloodhound
   • April 22, 2004

10. Spark vs Rank of a matrix

    By Prometheus, September 27, 2017
    • 5 replies
    • 5.3k views
    • 
    • uncool
    • December 6, 2018

11. Ax = b question

    By ed84c, March 18, 2010
    • 8 replies
    • 5.3k views
    • 
    • joigus
    • May 23, 2020

12. Equations! Find the smallest value...

    By TheDrBraniac, April 3, 2010
    • 10 replies
    • 5.3k views
    • 
    • the tree
    • May 21, 2010

13. Tangent Space and Cotangent Space on a Surface.

    By geordief, February 1, 2020
    • 14 replies
    • 5.3k views
    • 
    • joigus
    • May 3, 2020

14. Complete set: eigenfunctions of Schrödinger equation

    By Leo32, October 21, 2004
    • 11 replies
    • 5.2k views
    • 
    • timo
    • October 22, 2004

15. How to manually find a square root?

    By cameron marical, July 5, 2009
    • 9 replies
    • 5.2k views
    • 
    • Killjoy
    • September 6, 2009

16. i need a solid explanation of Natural log

    By Hades, February 16, 2004
    • 24 replies
    • 5.1k views
    • 
    • Dave
    • April 22, 2004

17. Infinity in mathematics

    By Edgard Neuman, July 24, 2014
    • 8 replies
    • 5k views
    • 
    • ajb
    • April 5, 2015

18. General A inverse for 3x3 matrices

    By computerages, February 26, 2008
    • 3 replies
    • 5k views
    • 
    • DJBruce
    • June 26, 2008

19. Sample Space of a Coin Toss

    By ku, March 2, 2005
    • 2 replies
    • 5k views
    • 
    • mcoy
    • March 5, 2005

20. Quickly identifying upper and lower bounds for zeros

    By Scientia, February 23, 2009
    • 2 replies
    • 4.9k views
    • 
    • Scientia
    • February 23, 2009

21. What coefficients really are?

    By AllCombinations, August 6, 2015
    • 19 replies
    • 4.8k views
    • 
    • Keen
    • November 16, 2015

22. Proof of elementary row operation for matrices?

    By hitmankratos, August 25, 2011
    • 1 reply
    • 4.8k views
    • 
    • DrRocket
    • August 25, 2011

23. fermat's last theorem

    By ydoaPs, July 25, 2005
    • 22 replies
    • 4.8k views
    • 
    • Dave
    • December 8, 2005

24. Is my proof correct? 1 2

    By michusid, February 7, 2019
    • 26 replies
    • 4.7k views
    • 
    • studiot
    • February 13, 2019

25. Is linear algebra confined to solving systems of linear equations?

    By hobz, June 13, 2008
    • 13 replies
    • 4.7k views
    • 
    • the tree
    • January 18, 2011