Matrix API
4x4 Matrixes are used everywhere throughout FreeCAD and can be created by one of the following manners:
m = FreeCAD.Matrix() # m = the [http://en.wikipedia.org/wiki/Identity_matrix identity matrix]
m = FreeCAD.Base.Matrix()
print m.A21() # print m[1][0]
Description: Computes the determinant of the matrix
Returns: a number.
Description: Inverts this matrix, if possible
Returns: nothing.
Description: Returns the inverse of this matrix, if possible
Returns: a Matrix
Description: Makes this matrix a translation matrix
Returns: nothing.
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.
Description: Makes this matrix a scaling transform
Returns: nothing.
Description: Makes this matrix a transformation matrix based on Vector and Matrix
Returns: nothing.
Description: Makes this matrix the identity matrix
Returns: nothing.

- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Assembly, BIM, CAM, Draft, FEM, Inspection, Material, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub