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SeedRandom
SeedRandom[
n
] resets the pseudorandom number generator, using the integer n as a seed.
SeedRandom[
] resets the generator, using as a seed the time of day.
You can use SeedRandom[
n
] to make sure you get the same sequence of pseudorandom numbers on different occasions.
You can also use SeedRandom["
string
"], although the seed set in this way may be different on different computer systems.
See the Mathematica book: Section 3.2.3.
See also: Random, $RandomState.
Further Examples
This seeds the random number generator.
In[1]:= 
Here is a list of 4 random numbers between 0 and 1.
In[2]:= 
Out[2]= 
In[3]:= 
After reseeding the random number generator, you get the same sequence of random numbers.
In[4]:= 
Out[4]= 
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