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Anonymous
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 Posted: Fri Dec 17, 2004 10:11 am Post subject: Random function |
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Hello,
Could anybody show me an example of the use of the random function and the modification of the seed at each call of the subroutine (random_seed for example). I can't manage to have random values when I start my program.
Thank you for your answer
TL |
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Anonymous
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| Posted: Sat Dec 18, 2004 8:44 am Post subject: Random function |
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I think you should be able to generate a non repeatable sequence of pseudo-random numbers by calling to set the seed. Perhaps something like this:
[pre]INTEGER :: Seed
REAL :: X
CALL SYSTEM_CLOCK(COUNT = Seed)
CALL RANDOM_SEED(PUT = Seed)
CALL RANDOM_NUMBER(HARVEST = X)
WRITE (UNIT=*,FMT="(A,I10)") "Seed = ", Seed
WRITE (UNIT=*,FMT="(A,F12.10)") "X = ", X[/pre]
I hope this helps.
- Miguel. |
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