| Re: [eigen] Access to the raw data of a Matrix / Vector ? |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Access to the raw data of a Matrix / Vector ?
- From: Rhys Ulerich <rhys.ulerich@xxxxxxxxx>
- Date: Fri, 2 Mar 2012 08:55:03 -0600
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> I want to read (binary) into a big matrix. For that I need a pointer to the
> beginning of the raw data managed by the matrix.
>
> Something like
>
> MatrixXd A(m,n);
>
> FILE.read( (char*) A.raw(), m*n*sizeof(double));
A.data() per http://eigen.tuxfamily.org/dox/QuickRefPage.html ?
- Rhys