Difference between revisions of "CoCoA:MatConcatAntiDiag"
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Latest revision as of 10:02, 24 October 2007
MatConcatAntiDiag
create a simple block matrix
Description
This function creates a simple block matrix. The two entries are
matrices (or lists cast-able to a matrix).
MatrixConcatAntiDiag(A,B) will return a matrix of the form <verbatim>
| 0 A | | B 0 |
</verbatim>
Example
A := [[1,2,3], [4,5,6]]; B := [[101,102], [103,104]]; MatConcatAntiDiag(A,B); Mat([ [0, 0, 1, 2, 3], [0, 0, 4, 5, 6], [101, 102, 0, 0, 0], [103, 104, 0, 0, 0] ]) -------------------------------
Syntax
MatConcatAntiDiag(A:LIST,MAT, B:LIST,MAT):MAT
<type>list</type> <type>matrix</type>