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Posted to dev@mahout.apache.org by "Andrew Palumbo (JIRA)" <ji...@apache.org> on 2015/03/06 02:43:38 UTC
[jira] [Updated] (MAHOUT-1620) how to use mahout command
matrixmult ?
[ https://issues.apache.org/jira/browse/MAHOUT-1620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Palumbo updated MAHOUT-1620:
-----------------------------------
Labels: legacy (was: )
> how to use mahout command matrixmult ?
> ---------------------------------------
>
> Key: MAHOUT-1620
> URL: https://issues.apache.org/jira/browse/MAHOUT-1620
> Project: Mahout
> Issue Type: Question
> Reporter: zuozhibin
> Labels: legacy
>
> dear everyone :
> this is my problem,firstly,i create two matrix files a and b,
> a = 1 3 2 b = 3 2
> 2 3 1 1 5
> 1 4 5 2 1
> then i put them to filesystem.
> i use mahout command :mahout seqdirectory change a and b to seq file a1 and b1.
> then,use mahout command :mahout matrixmult , a1*b1
> it works,but the anser is
> Input Path: hdfs://hacluster/user/zzb/c1/part-00000
> Key class: class org.apache.hadoop.io.IntWritable Value Class: class org.apache.mahout.math.VectorWritable
> Count: 0
> where am i wrong?
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