Invert this matrix by assuming that it is an {@link #isAffine() affine} transformation (i.e. its last row is equal to <code>(0, 0, 0, 1)</code>).
@return this
See Implementation
Invert this matrix by assuming that it is an {@link #isAffine() affine} transformation (i.e. its last row is equal to <code>(0, 0, 0, 1)</code>).
@return this