I am used to do PC analysis with g_covar followed by g_anaeig. But recently, I am getting segmentation fault with g_anaeig. The g_covar gives eigenval.xvg, eigenvec.trr and average.pdb.
In the next step I use those 3 files to generate - (1) a projection of each individual vectors on the traj using -proj OR (2) a set of pdbs for each vector using -extr -nframes options. In each case I am receiving segmentation fault without any other message anywhere in a file. So i have no way of figuring out where the problem is. I am seeing this problem with gmx v 3.3.3 as well as with v 4.0.5. I will appreciate any help and suggestions. Thanks a bunch. -- Nilu
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