diff_table(expr)

Let U and V be the "differentiation tables" of  and , that is, handy representations for these objects and their derivatives.

You can now input the functions  or  or any of its partial derivatives using mathematical notation directly, resulting in the expected expression on output.

diff_table can be used simultaneously with PDEtools[declare] so that both input and output are simplified while the actual contents of the expressions generated is the standard expected one. For example, calling declare with ,

the output corresponding to input entered using  is displayed using the same mathematical notation

The actual contents of this expression is the expected one. (See lprint and show.)

DEtools, lprint, PDEtools, PDEtools[declare], Physics, Setup