Eigenvalues and Eigenvectors
Ax = λx
"If the equation has a nonzero solution x, then λ is said to be an eigenvalue of A, and x is said to be an eigenvector belonging to λ." (Leon)
Tuesday, June 21, 2011
Lesson Three
Eigenvalues and Eigenvectors
Ax = λx
"If the equation has a nonzero solution x, then λ is said to be an eigenvalue of A, and x is said to be an eigenvector belonging to λ." (Leon)
Monday, June 13, 2011
Lesson Two
Today's Vocabulary List
Since my last post, I have managed to work through 1/3 of the practice booklet. That's right, 22 questions done and 44 to go.
I have found that I need to review eigenvalues and eigenvectors. Why are these so easy to forget? They've come up in Linear Algebra, Calculus III, and Abstract Algebra classes and still my brain refuses to transfer this information into my long-term memory. I'm just happy that I'm doing this now and not wishing I had on test day.
Also, I have found the next test date for the GRE subject test in my area, and that is October 15th. So, I have four months to review everything (in mathematics), to improve my vocabulary and writing skills, and to work on my test-taking speed.
Since my last post, I have managed to work through 1/3 of the practice booklet. That's right, 22 questions done and 44 to go.
I have found that I need to review eigenvalues and eigenvectors. Why are these so easy to forget? They've come up in Linear Algebra, Calculus III, and Abstract Algebra classes and still my brain refuses to transfer this information into my long-term memory. I'm just happy that I'm doing this now and not wishing I had on test day.
Also, I have found the next test date for the GRE subject test in my area, and that is October 15th. So, I have four months to review everything (in mathematics), to improve my vocabulary and writing skills, and to work on my test-taking speed.
Saturday, June 11, 2011
Lesson One
Okay, it's now time to stop having fun with my own research, to stop worrying about work now that the promotion is official, and to stop putting off studying for a very important exam. With graduation around the corner (December '11), I need to get this GRE out of the way so I can send in complete applications.
I attended a GRE preparatory class last semester and I realized that my vocabulary is more narrow than wide. Therefore, I will be focusing on this part of the exam, along with the material covered in the subject test. Although the university I'm currently researching does not require the subject test, it is recommended. Besides, it'll be good to refresh my memory.
Today's vocabulary list
I attended a GRE preparatory class last semester and I realized that my vocabulary is more narrow than wide. Therefore, I will be focusing on this part of the exam, along with the material covered in the subject test. Although the university I'm currently researching does not require the subject test, it is recommended. Besides, it'll be good to refresh my memory.
Today's vocabulary list
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