March 15th, 2012, 06:44 PM  #1 
Newbie Joined: Feb 2012 From: A deep,dark hole in the ground Posts: 16 Thanks: 0  Confusing notation
The linear algebra book I'm reading talks about "the matrix [Ab]", in the context of the linear system Ax = b. What does this notation (the two symbols separated by a pipe enclosed in brackets) mean? I've tried looking in the notation index, but I can't find it.

March 15th, 2012, 06:49 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Confusing notation
I believe that refers to an augmented matrix.


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