The following functions convert between sparse matrices and normal (dense-representation) matrices.
Given a sparse matrix A, return the normal (dense-representation) matrix equal to A. This function should only be used if the size of A is reasonably small since otherwise the amount of memory needed to represent the dense-representation matrix may be huge. Printing the result of this operation is a convenient way to display A as a normal (dense) matrix if A is small.
Given a normal (dense-representation) matrix A, return the sparse matrix equal to A. Note that if there is a fast algorithm available for the sparse matrix type, there is no need to convert a dense-representation matrix to the sparse matrix type first and then to use that algorithm, since Magma does this automatically.