Re: Re: Compile and NormalDistribution
- To: mathgroup at smc.vnet.net
- Subject: [mg15230] Re: [mg15220] Re: Compile and NormalDistribution
- From: Andrzej Kozlowski <andrzej at tuins.ac.jp>
- Date: Wed, 23 Dec 1998 01:04:06 -0500
- Sender: owner-wri-mathgroup at wolfram.com
On Tue, Dec 22, 1998, Paul Abbott <paul at physics.uwa.edu.au> wrote:
>Andrew Watson wrote:
>
>> In[1]:= <<Statistics`ContinuousDistributions`
>>
>> gaussianArray[n_] :=
>> RandomArray[NormalDistribution[0.0, 1.0],{n,n}] +
>> I RandomArray[NormalDistribution[0.0, 1.0],{n,n}]
>>
>> In[6]:= Timing[tmp=gaussianArray[128] ;]
>>
>> Out[6]= {1.26667 Second,Null}
>
>You must have a very fast computer. This is much slower on my PowerMac!
Not on all PowerMacs! On my 266 MHZ G3:
<<Statistics`ContinuousDistributions` gaussianArray[n_] :=
RandomArray[NormalDistribution[0.0, 1.0],{n,n}] +
I RandomArray[NormalDistribution[0.0, 1.0],{n,n}]
Timing[tmp=gaussianArray[128] ;]
{1.43333 Second,Null}
Andrzej Kozlowski
Toyama International University
JAPAN
http://sigma.tuins.ac.jp/
http://eri2.tuins.ac.jp/