The main data mamber of the Matrix_Calc class is a list of 2-tuples containing 0) the title of the matrix and 1) a SymPy 'MutableDenseMatrix' object. The class has extensive methods for manipulating ...
Whereas the current sympy Matrix class uses Expr instances as the elements of the matrix the DomainMatrix class uses "domain elements" for its internal representation. This makes DomainMatrix faster ...