Question about Bayes Point Machine example

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  In Bayes Point Machine example, I don't understand why the feature vector is augmented with a column of 1s. Can anyone help me understanding it? Thanks.

  http://research.microsoft.com/en-us/um/cambridge/projects/infernet/docs/Bayes%20Point%20Machine%20tutorial.aspx

  Tuesday, November 11, 2014 1:36 PM