An iterative method approximates a solution by repeatedly updating an initial guess. In numerical linear algebra, a stationary iterative method for a linear system uses a fixed iteration map; other iterations can change their update rule or search space at each step.
An iterative method is a mathematical or computational technique that generates a sequence of approximations to a solution of a problem, with each iteration building upon the previous one. This approach is often used when direct methods are difficult to apply or when a solution cannot be expressed explicitly. ### Key Characteristics of Iterative Methods: 1. **Initial Guess**: An initial approximation, called the guess or starting point, is required. The success of the method can depend heavily on the choice of this initial value.
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