# Matrix API/de

This page is a translated version of the page Matrix API and the translation is 25% complete.
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(November 2018) Diese Information kann unvollständig und veraltet sein. Für die letzte API siehe die (engl.) autogenerierte API-Dokumentation.

4x4-Matrizen werden überall in FreeCAD verwendet und können auf eine der folgenden Weisen erstellt werden:

```m = FreeCAD.Matrix()          # m = the [http://en.wikipedia.org/wiki/Identity_matrix identity matrix]
print m.A21()               # print m[1][0]
```

A( )

Description:

Returns: all the matrix elements.

A11( )

Description:

Returns: a matrix element.

A12( )

Description:

Returns: a matrix element.

A13( )

Description:

Returns: a matrix element.

A14( )

Description:

Returns: a matrix element.

A21( )

Description:

Returns: a matrix element.

A22( )

Description:

Returns: a matrix element.

A23( )

Description:

Returns: a matrix element.

A24( )

Description:

Returns: a matrix element.

A31( )

Description:

Returns: a matrix element.

A32( )

Description:

Returns: a matrix element.

A33( )

Description:

Returns: a matrix element.

A34( )

Description:

Returns: a matrix element.

A41( )

Description:

Returns: a matrix element.

A42( )

Description:

Returns: a matrix element.

A43( )

Description:

Returns: a matrix element.

A44( )

Description:

Returns: a matrix element.

determinant( )

Description: Computes the determinant of the matrix

Returns: a number.

inverse( )

Description: Inverts this matrix, if possible

Returns: nothing.

invert( )

Description: Returns the inverse of this matrix, if possible

Returns: a Matrix

move(Vector)

Description: Makes this matrix a translation matrix

Returns: nothing.

multiply(Matrix or Vector)

Description: Returns the cross product of a matrix or vector with this matrix

Returns: a Matrix

Description: Makes this matrix a rotation about X transform

Returns: nothing.

Description: Makes this matrix a rotation about Y transform

Returns: nothing.

Description: Makes this matrix a rotation about Z transform

Returns: nothing.

scale(Vector)

Description: Makes this matrix a scaling transform

Returns: nothing.

transform(Vector, Matrix)

Description: Makes this matrix a transformation matrix based on Vector and Matrix

Returns: nothing.

unity( )

Description: Makes this matrix the identity matrix

Returns: nothing.