On Thu, Oct 27, 2016, Phil N wrote:
> I have a theano vector, with shape (3,) that contains 3 updatable 
> parameters for a covariance matrix. I want to convert this to a (2,2) 
> T.matrix where one of the parameters is duplicated. I am unsure on how to 
> do this. The original vector must stay (3,).

Something like T.stack([[v[0], v[1]], [v[1], v[2]]])?

-- 
Pascal

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