Re: Mathematica 7 weirdness
- To: mathgroup at smc.vnet.net
- Subject: [mg94566] Re: Mathematica 7 weirdness
- From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
- Date: Tue, 16 Dec 2008 02:36:35 -0500 (EST)
- References: <C7EFEF88-F3D3-4E38-87D4-E481FFF62029@mimuw.edu.pl>
On 16 Dec 2008, at 15:42, Andrzej Kozlowski wrote:
> Here is a (slightly modified) example from the
> RandomNumberGeneration tutorial, which comes as part of the
> documentation:
>
> BlockRandom[
> SeedRandom[Method -> {"MKL", Method -> {"Niederreiter", "Dimension" -
> > 2}}];
> RandomReal[1, {2, 2}]]
>
> The problem is that as well as the expected output we get an error
> message:
>
> SeedRandom::nogen:MKL is not one of the built-in random number
> generators Lattice, Congruential, MersenneTwister, Rule30CA,
> Rule50025CA, ExtendedCA, or Legacy. A defined generator must be
> represented by a symbol. >>
>
> One possible reason is that I am using Mac OS X and the
> documentation says:
>
> The "MKL" method uses the random number generators provided in
> Intel's MKL libraries. The MKL libraries are platform dependent.
> The "MKL" method is available on Microsoft Windows (32-bit, 64-
> bit), Linux x86 (32-bit, 64-bit), and Linux Itanium systems.
>
> Intel Macs are not mentioned, but since, other than producing the
> error message, the generator works fine, this should count as a
> serious omission (if not exactly a bug) which should be corrected as
> soon as possible.
>
>
> Andrzej Kozlowski
On second thoughts, since all that is needed is
Off[SeedRandom::"nogen"]
probably I should have written "not very serious omission" ;-)
Andrzej Kozlowski
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