dummy takes 2 mandatory arguments:
  1. the pdl
  2. the dimension number that will be the dummy dimension
Somehow, the dimension is defaulting to 0.
This error should go away if you use 
$tsearch = $time->dummy(0);

[download]
which has the same effect and is more explicit

In reply to Re^3: perl PDL question by Anonymous Monk
in thread perl PDL question by nickschurch

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