2,431 reputation
11327
bio website jpl.nasa.gov
location Pasadena, CA
age 47
visits member for 2 years, 3 months
seen 2 hours ago

Feb
11
awarded  Quorum
Feb
10
comment Solution Curves and Order of Evaluation Question
@trayres: see my edit.
Feb
10
revised Solution Curves and Order of Evaluation Question
Changed to make all of the curves blue, per OP's request.
Feb
9
awarded  Nice Answer
Feb
9
revised Obtaining the square-root of a general positive definite matrix
added 266 characters in body
Feb
9
revised Obtaining the square-root of a general positive definite matrix
added 743 characters in body
Feb
9
revised Obtaining the square-root of a general positive definite matrix
added 743 characters in body
Feb
9
comment Can someone explain this snippet: (#[#] &)[#[#][#] &]
Yes, it's a headache-generating function.
Feb
9
answered Solution Curves and Order of Evaluation Question
Feb
9
comment Obtaining the square-root of a general positive definite matrix
I'm afraid I don't understand your question. Test what?
Feb
8
revised How do you draw the plane on which two vectors lie?
added 18 characters in body
Feb
8
comment How do you draw the plane on which two vectors lie?
@J.M. You are, of course, correct--thanks for the correction! I am fixing my answer accordingly.
Feb
8
revised How to fix errors in Gram-Schmidt process when using random vectors?
Changed to use Normalize
Feb
8
comment Obtaining the square-root of a general positive definite matrix
Actually, I get the same answer regardless of whether or not I assume the elements are real. I wonder if you're running into memory problems or if you're using an older version of Mathematica? I'm using 8.0.4.
Feb
8
answered Obtaining the square-root of a general positive definite matrix
Feb
7
revised How do you draw the plane on which two vectors lie?
Just reordered lines to make it easier to read.
Feb
7
answered How do you draw the plane on which two vectors lie?
Feb
7
awarded  Nice Question
Feb
5
accepted ListPlot with each point a different color and a legend bar
Feb
5
comment ListPlot with each point a different color and a legend bar
Very helpful! Many thanks to you and the others who posted answers and suggestions!!!