Congrats. BTW, i would recommend you to use the trunk version. :)
On Fri, Apr 30, 2010 at 5:14 AM, <[email protected]> wrote: > Hey man, > I finally got the code working. One thing I want to point out is that > in > the sample code you made an object of Get. This is not allowed in > hbase-0.19.3. I > think the Get object is included from the version 0.20 onwards. Anyways I am > posting the code which I used. Maybe this will be of some use to some body > > for(int i=0;i >> HTable table = new HTable(conf, matrixPath); >> Get get; >> >> for (int i = 0; i < e.length; i++) { >> get = new Get(BytesUtil.getRowIndex(i)); >> e1 = >> > Bytes.toDouble(table.get(get).getValue(Bytes.toBytes(Constants.EI),Bytes.toBytes(Constants.EIVAL))); >> >> for (int j = 0; j < E[i].length; j++) { >> get = new Get(BytesUtil.getRowIndex(i)); >> ev = >> > Bytes.toDouble(table.get(get).getValue(Bytes.toBytes(Constants.EIVEC),Bytes.toBytes(String.valueOf(j)))); >> } >> } >> } >> >> On Wed, Apr 28, 2010 at 2:11 PM, lo.edu> wrote:> Hey, >> >   Quick question. Here >> is the code that I have written to print the eigen vector> >> > DenseVector vect= >> table.get(BytesUtil.getRowIndex(i),Bytes.toBytes("eivec:"));> for(int j=0;j >> >  >>  System.out.printf("%f ",vect.get(j));> >> > Something is wrong but I am not quite sure what >> the error is. Also how are the> eigen vectors stored. I mean is it a single >> column which returns a vector or is> it a column family ? If they are stored >> as a >> column family then what are the> names of the individual columns ? >> > >> > Best Regards from Buffalo >> > >> > Abhishek Agrawal >> > >> > SUNY- Buffalo >> > (716-435-7122) >> > >> > On Wed 04/28/10 12:11 AM , aa...@buffa >> lo.edu sent:>> Hey man, >> >> Thanks a lot .... I got that part working >> with a couple of>> modifications. Next step is to print all the >> eigen vectors. Lets see how>> that goes >> >> Best Regards from Buffalo >> >> >> >> Abhishek Agrawal >> >> >> >> SUNY- Buffalo >> >> (716-435-7122) >> >> >> >> On Mon 04/26/10 10:52 PM , "Edward J. >> Yoon" edwardy>> [email protected] >> sent:> Here's code for you.>> > >> >> > HTable table = new >> HTable(conf,>> matrixPath);> Get get = new >> Get(rowKey);>> > >> >> >> table.get(get).getValue(Bytes.toBytes("eval"),> >> Bytes.toBytes("value"));>> > See also, >> DenseMatrix.verifyEigenValue()>> method.> >> >> > Thanks, >> >> > Edward. >> >> > >> >> > On Tue, Apr 27, 2010 at 11:13 AM, >>  t; lo.edu> wrote:> Hi all,>> > > >> ���>> >> ��� >> ��� For> the last 3-4 >> days I have been working on the>> Jacobi Eigen Value> method. In thecontext >> of that method I have>> > some doubts so as to how the >> does>>> DenseMatrix use the HTable to store data. >> Here> is what my problem is.>>> > > From the documentation I see that >> the>> Jacobi> EigenValue method stores the> >> eigenvalues in>> another column of the original> matrix. >> Tor retrieve these values I> want to>> use some code of this sort> >> >>> > > public static void main(String[] >> args)>> throws> IOException {> Map blogpost >> =>> > >> HBaseConnector.retrievePost("post1");>> >> ��� >> ��� > >> ��� >> ���>> >> ��� >> ��� //Post1 is id> >> of> a particular row>> > > >> >> > >> >> >> System.out.println(blogpost.get("post:title"));>> >> ��� > >> ��� >> ���>> >> ��� >> ���>> >> ��� > >> ��� >> ��� //>> Post:title is> the column family> >> >>> > >> >> >> System.out.println(blogpost.get("post:author"));> }> >> >>> > > But I am unable to understand what >> values>> to use> for the row- ids so that I >> can> retrieve the>> Eigen Values. Or is there any other> >> method to retrieve these values ?>>> > > >> >> > > Best Regards from >> Buffalo>> > > >> >> > > Abhishek Agrawal >> >> > > >> >> > > SUNY- Buffalo >> >> > > (716-435-7122) >> >> > > >> >> > > On Fri 04/23/10 >> ��� 6:00>> PM , aa...@buffa&g >> t; lo.edu sent:>> Hi Edward,>> > >> I have a couple of more >> questions about>> the> Jacobi Eigen Value>> >> procedure. As of now>> I think all the eigen> values are stored >> in the>>>> eival:valuecolumn in the >> JacobiEigenValue> table. So to return the eigen> values> all >> >> I> >> have todo is at the end of >> the>> function, I> have to write >> return>> JacobiEigenValue;>>> >> I >> tried this and it did not compile.>> What is> the mistake ?>> >> >> > >> >> >> > >> Best Regards from >> Buffalo>> > >> >> >> > >> Abhishek Agrawal >> >> > >> >> >> > >> SUNY- Buffalo >> >> > >> (716-435-7122) >> >> > >> >> >> > >> On Mon 03/15/10 >> >> >> ��� 2:08 AM ,> >> "Edward J. Yoon" edwardy>> [email protected] >> >> >  sent:> Hi,>> >> >>> > >> > > Currently what I am >> doing>> is> generating a>> 10*10> random >> matrix and>> I give 3 as> the>> > Jacobi >> Eigenvalue Algorithm is>> only> works for>> >> symmetric>> matrix.>> >> > > number of >> loops. I dont>> understand> why but>> my> output >> looks very much>> like my>> input. If I>> increase >> the number of loops>> what> should> I increase it to ?Is >> there> any co>>>> relation between size of the matrix >> and>> the number of loops>> > See the 814>> line code of DenseMatrix> >> "while>> (state != 0 &&>>> icount imax)">> > The >> integer state>> counts the number> of>> components >> of changed which> have>> the> value true. Iteration stops as soon >> as>>>> state = 0.>> >> > The integer >> imax counts is just>> a> optional. In>> >> TestJacobiEigenValue>>> class, imax is> '100', but will be stoped >> when>> state = 0>> (49> iterations).> >> >> >>> > >> > On Sun, Mar 14, 2010 at >> 1:06>> PM,> >> ��� mp;a>> mp;g> t; lo.edu> wrote:> Hello >> All,>> >>> >> >> >> >> ��� >> �¯�¿�½>> >> ��� >> >>>>> >> ��� >> �¯�¿�½>> >> ��� >> ��� >>> >> ��� >> �¯�¿�½>> >> ��� >> ��� >>>> >> ��� >> �¯�¿�½>> >> ��� >> ��� >>> >> ��� >> �¯�¿�½>> >> ��� >> ��� I>> solved >> the>> previous problem. Now my program> is> >> able to get the eigen> values,> but>> I want to> >> know what is a good >> value> to give>> for> the number of loops.> >> Currently>> what>> I am doing is generating a 10*10>> >> random matrix and I give 3 as the> number>> of>> loops. I dont understand >> why but >> my>> output looks very much like my>> input. If >> >> I>> increase the number of >> loopswhat> should>> > I increase it to ?Is there> any >> co>>>> relation between size of the matrix >> and>> the number of loops>>> > > Best>> Regards from> Buffalo>> > >> >>> > >> > > Abhishek >> Agrawal>> > >> > > >> >> > >> > > SUNY- >> Buffalo>> > >> > > >> (716-435-7122)>> > >> > > >> >> > >> > > On Sat 03/13/10 >> 12:33 AM , aa...@buffa&a >> mp;a>> mp;g> t; lo.edu sent:>> Hi,>> >> >>> >> I was looking through> >> the>> Eigenvalue> procedure in>> DenseMatrix.java> and I>>>> >> seethe values of the>> calculated eigen> values> are stored >> in a table. I>> was>>>> wonderinghow ca I access >> the values of> this> table from my application.>>> According to>>> >> >> myunderstanding the name of the>> tableis> not>> > given at >> run>> time>>> >> > >> Best >> Regards>> from> Buffalo>> > >> >>>> > >> > >> >> Abhishek>> Agrawal> >> > >> >>>> > >> > >> SUNY- >> Buffalo>> > >> > >> >> (716-435-7122)>> > >> > >> >> >> > >> > >> On Fri 03/12/10 >> 11:21 PM>> , aa...@buffa&a >> mp;a>> mp;a> mp;g>> t;> lo.edu >> sent:> Hi,>>> >>> > I am a relatively new user >> of>> Hama.>> I> ran the>> command> >> "bin/hama>>> examples>>> "and this is the output I> >> am>>>> getting >> >>>> > had...@zeus:~ >> >> > >> > >> > >> /HAMA$>> > bin/hama>> >> examplesRunJar>>> jarFile>>> [mainClass] args...> >> had...@zeus:~ >> >> > >> > >> > >> /HAMA$>> > >> > >> > From the >> wiki I see>> that> this is>> not> what >> I>> should be>> getting.> What is>> the> >> reasonfor> this>> ?>>> >>> > >> >> > Best>> Regards> from>> Buffalo> >> >>>> >> >> > >> > >> Abhishek>> > Agrawal>> > >> >> >>> > >> > >> > >> SUNY->> Buffalo> >> > >> >> >>> (716-435-7122)> >> > >> >> >>> > >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> > >> > >> >> >> > >> > >> >> >> > >> > >> >> >> > >> > >> >> >> > >> > >> >> >> > >> > > >> >> > >> > > >> >> > >> > >> >> > >> > >> >> > >> > >> >> > >> > -- >> >> > >> > Best Regards, Edward J. >> Yoon>> @> NHN,>> corp.> >> edwardy>> > >> > [email protected]http://blog.udanax.org>>>>> >> >> > >> >> > >> > >> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> > > >> >> > > >> >> > >> >> > >> >> > >> >> > -- >> >> > Best Regards, Edward J. Yoon >> >> > edwardy >> >> > [email protected]http://blog.udanax.org>>> > >> >> > >> >> > >> >> >> >> >> >> >> >> >> >> >> > >> > >> >> >> >> -- >> Best Regards, Edward J. Yoon >> edwardy >> [email protected]http://blog.udanax.org >> >> >> >> > > -- Best Regards, Edward J. Yoon [email protected] http://blog.udanax.org
