- Click Tools
Job Preferences.
- In the explorer panel of the Job Preferences dialog, select Structure Analysis.
- Select Iterative from the Method of solving the system of equations drop-down list, and then click Parameters.
- In the Iterative Solver Parameters dialog, select a method, and then click OK twice.
Tip: For large-scale problems with a small number of right-hand sides, it is recommended to use the ICCF method.