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st:weave two matrices row by row

From   Amanda Fu <>
Subject   st:weave two matrices row by row
Date   Sun, 26 Dec 2010 19:34:28 -0500

Hi All,

I was wondered if there is any way to weave two matrix row by row.
Say, I have matrix A [10,8] and B[10,8]. I want to create a new matrix
C looks like as:

matrix C [20,8]:
row 1 :        row 1 of A
row 2:         row 1 of B
row 3:         row 2 of A
row 4:         row 2 of B
row 19:      row 10 of A
row 20:      row 10 of B
Right now I think I could do the following:

(1) matrix define C as a 20*8 matrix.
(2) use -mkmat- to change A and B into 8 variables respectively
(3) Then define each row using the variables from (2).

But  when actually conducting the above way,I find it requires to be
very careful and  much more work than I expected. This is why I think
it would be better that I ask the expert here to see how an expert
will deal with this.

Thanks for your time!

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