How come there are only 14 b-values but 42 b-vectors (your data indicate dim4=14)?
Not sure how dtifit worked, but check again your bvals and bvecs.
Danny Kim
On 2015-11-09, at 11:51 PM, SUBSCRIBE FSL lijen wrote:
> hello, Experts,
> I met some problems when I ran Fdt-Bedpostx, but the result of bedpostx_datacheck has no problem.
> The first step, I ran Fdt-eddy current correct to get data.nii.gz, the second I ran Bet to get noif_brain_mask,before I ran Fdt-Bedpostx.
> Attachments are picture of my bedpostx information.
>
> the message context in file(bedpostx.eXXXXXX) under logs folder show below:
>
> An exception has been thrown
> Runtime error:- detected by Newmat: matrix is singular
>
> MatrixType = Crout # Rows = 7; # Cols = 7
> Trace: Crout(lubksb); GeneralSolvI; InvertedMatrix::Evaluate.
>
> Thanks.
> Li-Jen
> <p1.jpg><p2.jpg>
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