[FieldTrip] ft_connectivity_pdc

[Matt Gerhold]

When computing pdc in FT, line 67 of ft_connectivity_pdc appears to invert
the spectral transfer func. When inverting I received the following error:

Warning: Matrix is close to singular or badly scaled. Results may be
inaccurate. RCOND = 6.358859e-18.

Will this impact on the final spectrum calculated by the method. If so, is
there a possible workaround/solution?

Matthew
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