Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
how many pivot columns must a 4x6 matrix have if its columns span R4
 7 months ago
 7 months ago
how many pivot columns must a 4x6 matrix have if its columns span R4
 7 months ago
 7 months ago

This Question is Closed

mrtubaBest ResponseYou've already chosen the best response.0
I believe it is 4 but can no give a good reason why
 7 months ago

e.mccormickBest ResponseYou've already chosen the best response.1
Yes, it only spans a much as it has unique rows and unique columns of.
 7 months ago

e.mccormickBest ResponseYou've already chosen the best response.1
Some proofs related to this: http://www.math.northwestern.edu/~clark/285/handouts/colbasis.pdf Not exactly it, but they talk about the column span.
 7 months ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.