SeedRandom

Reseeds the random generator RandomInteger draws from.

✓ checked against that system · ! checked, with disagreements (hover a chip)Wolfram LanguageSeedRandom!↗

SeedRandom(seed)reseeds the generator; returns Nothing.

Typed signatures

Type	Package	Applies
(integer?) state -> any	combinatorics	always
(integer?) state -> any	statisticsreplaces combinatorics	always

Domain: Collections

Details

• One generator per engine instance: RandomInteger draws from it, and the same seed always starts the same sequence.
• Our generator is our own (a small deterministic PRNG), not Wolfram's Mersenne-twister-based one — a shared seed value does not draw the same numbers as Wolfram would.

Examples

Basic #

live ↗

In$\mathrm{SeedRandom}(7)$Out$\mathrm{Nothing}$

Scope #

Seeding pins the next RandomInteger draw

live ↗

In$\mathrm{Last}(\bigl\lbrack\mathrm{SeedRandom}(7), \mathrm{RandomInteger}(100)\bigr\rbrack)$Out$1$

About

Examples	2
Checked against	Wolfram Language 2 differ
Crosswalk	Wolfram Language

See also: RandomInteger