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pgfoster / p4-phylogenetics

A Python phyloinformatic toolkit, and an implementation of tree-heterogeneous models of evolution
GNU General Public License v2.0
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Got negative logDet (-0.000000). This should not happen. #9

Open cymon opened 7 years ago

cymon commented 7 years ago

There is one alignment in var.alignments-- I am naming it 'a' p4-gitc> d = a.logDet() Traceback (most recent call last): File "", line 1, in File "/usr/local/src/p4-phylogenetics.git.cymon/p4/alignment_logdet.py", line 1066, in logDet raise P4Error(gm) p4.p4exceptions.P4Error:

Alignment.logDet() Got negative logDet (-0.000000). This should not happen.

Here's the matrix: cymon-matrix.zip

C.