Hello! For AMGCL, if the positions of the non-zero elements in the coefficient matrix A remain unchanged and only the values of the non-zero elements change with each use of the solver, how can one create a solver only once and subsequently update only the values of the non-zero elements in the coefficient matrix A?
Hello! For AMGCL, if the positions of the non-zero elements in the coefficient matrix A remain unchanged and only the values of the non-zero elements change with each use of the solver, how can one create a solver only once and subsequently update only the values of the non-zero elements in the coefficient matrix A?