Sandia National Laboratories

# false_conv_tol

False convergence tolerance

Specification

- Alias: None

- Arguments: REAL

- Default: -1. (use NL2SOL internal default)

Description

`false_conv_tol` (NL2SOL’s `xftol`) is the false-convergence tolerance (stop with a suspicion of discontinuity when a more favorable stopping test is not satisfied and a step of scaled length at most `false_conv_tol` is not accepted)

The internal default is a function of machine epsilon (as limited by `function_precision`). The default is selected with a value of -1.

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