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Dakota Reference Manual
Version 6.16
Explore and Predict with Confidence
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Selection of a random number generator
Alias: none
Argument(s): none
Default: Mersenne twister ( mt19937 )
Child Keywords:
| Required/Optional | Description of Group | Dakota Keyword | Dakota Keyword Description | |
|---|---|---|---|---|
| Required (Choose One) | RNG Algorithm (Group 1) | mt19937 | Generates random numbers using the Mersenne twister | |
| rnum2 | Generates pseudo-random numbers using the Pecos package |
The rng keyword is used to indicate a choice of random number generator.
Default Behavior
If specified, the rng keyword must be accompanied by either rnum2 (pseudo-random numbers) or mt19937 (random numbers generated by the Mersenne twister). Otherwise, mt19937, the Mersenne twister is used by default.
Usage Tips
The default is recommended, as the Mersenne twister is a higher quality random number generator.
method
sampling
sample_type lhs
samples = 10
seed = 98765
rng rnum2