Transform a 2D arrays (``PMMatrix``) as an 1D vector (``PMVector``). ```Smalltalk a := PMMatrix rows:#((1 2) (3 4) (5 6)). a flatten. ``` => ``a PMVector (1 2 3 4 5 6)``
Transform a 2D arrays (
PMMatrix) as an 1D vector (PMVector).=>
a PMVector (1 2 3 4 5 6)