Using the notion of coefficient matrix and maximal element.We prove that the Lie algebra is semi-simple and it has no abelian two dimensional subalgebra.
The two dimensional pseudohomogeneous model was often used for the non isothermal, non adiabatic fixed bed reactor that was widely used for the strongly exothermic reactions.
A hail cloud model that is two dimensional elastic non-hydrostatic, uses a terrain-following coordinate system and includes double parameters for ice phase microphysics, has been developed.
Two dimensional things get walked up the panels, like paper, plastic bags, when three dimensional things, like bottles and cans, get rolled down the panels.
Let's run this, as you can see this returns a two dimensional array, this square bracket indicates the outer array and a second one represents an inner array.