Math.concatMatrix()
#### Availability
Flash MX 2004.
#### Usage
Math.concatMatrix(mat1, mat2)
#### Parameters
mat1, mat2 Specify the Matrix objects to be concatenated (see Matrix object (../Matrix_object/matrix_summary.md)). Each parameter must be an object with fields a, b, c, d, tx, and ty.
#### Returns
A concatenated object matrix.
#### Description
Method; performs a matrix concatenation and returns the result.
#### Example
The following example stores the currently selected object in the elt variable, multiplies the object matrix by the view matrix, and stores that value in the mat variable:
javascript
var elt = fl.getDocumentDOM().selection[0];
var mat = fl.Math.concatMatrix( elt.matrix , fl.getDocumentDOM().viewMatrix );