Re: problem of syntax.
- To: mathgroup at smc.vnet.net
- Subject: [mg104362] Re: [mg104340] problem of syntax.
- From: "David Park" <djmpark at comcast.net>
- Date: Thu, 29 Oct 2009 02:56:36 -0500 (EST)
- References: <25979305.1256721965091.JavaMail.root@n11>
Hello Julien,
It might be interesting to know how the extra level got on the elements of
the matrix. I suspect you may have used {}, which holds a list, when you
meant to use (), which performs precedence grouping. You can't use {} or []
for precedence grouping in Mathematica. Each type of bracket has its
distinct use.
Here is a matrix with a mistaken additional level on the elements.
(testmatrix = Table[{x[i, j]}, {i, 1, 2}, {j, 1, 2}]) // MatrixForm
This flattens the rows to obtain a regular matrix.
Flatten /@ testmatrix // MatrixForm
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/
From: micmac [mailto:julien.derr at dal.ca]
Hello everyone,
For some reasons, I have a matrix where each element is itself another
matrix of size one.
How can I transform that in a normal matrix where each element is just the
value ?
I am very confused with mathematica syntax.
thanks,
Julien
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