A similar technique can be used for any iterative method.
Suppose we are computing by an iterative method, such as line search.
Many iterative methods can be described as a matrix splitting.
Iterative methods are often the only choice for nonlinear equations.
The preconditioned problem is then usually solved by an iterative method.
Nevertheless, it runs slowly compared to progressive and/or iterative methods which have been developed for several years.
These large systems are generally solved using iterative methods.
This is an iterative method, and we start with an initial estimate .
As a consequence, the iterative method (5) is necessarily convergent.
Then the problem can be written where we have written There are various iterative methods for solving (2).