eigen vectors/ pca

Community Support
1

Hi,Is there a easy way to calculate eigen vectors of a matrix or do aprinciple component analysis using q ?Thanks,Anshul

2

Afaik the only matrix-specific math built into q is mmu, inv, and lsq.
Anything else you’ll either have to write yourself, find a library
for, or link in an existing library from some other language (e.g. qml
from http://althenia.net/qml).

3

Thanks Aaron for the reply.
I am wondering if this library works on l64 systems ?

Thanks,
Anshul

4

qml can build on l64 after some makefile changes,you can try my l64
build:https://itfin.3322.org/pub/qml.so .

Zuoqian

2010/11/22 Anshul <a.khandelwal>:
> Thanks Aaron for the reply.
> I am wondering if this library works on l64 systems ?
>
> Thanks,
> Anshul
>
> On Tue, Nov 16, 2010 at 3:58 PM, Aaron Davies <aaron.davies>
> wrote:
>>
>> Afaik the only matrix-specific math built into q is mmu, inv, and lsq.
>> Anything else you’ll either have to write yourself, find a library
>> for, or link in an existing library from some other language (e.g. qml
>> from http://althenia.net/qml).
>>
>> On Tuesday, November 16, 2010, Anshul <a.khandelwal> wrote:
>> > Hi,
>> >
>> > Is there a easy way to calculate eigen vectors of a matrix or do a
>> > principle component analysis using q ?
>> >
>> > Thanks,
>> > Anshul
>> >
>> > –
>> > You received this message because you are subscribed to the Google
>> > Groups “Kdb+ Personal Developers” group.
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>> >
>> >
>>
>> –
>> Aaron Davies
>> aaron.davies@gmail.com
>>
>> –
>>

Submitted via Google Groups</a.khandelwal></aaron.davies></a.khandelwal>