[Octave-bug-tracker] [bug #45497] missing function: repelem

[Nick Jankowski]

Follow-up Comment #4, bug #45497 (project octave):

yes, understand. I've played with it a bit this evening. attached a modified
version.

I dropped in my non-repmat versions for scalar v, as they were nice one-line
replacements. Also changed some of the length checking to 'isscalar' 'isrow'
'isvector', etc, for same performance reasons.

I noticed the multi-dimensional array part might throw some problems. Tested a
bit on ML.  for a nD array (anything bigger than a row or column vector),
number of input arguments must = n+1.  each one can either be a scalar or a
vector specifying reps in that direction. seems to work for arbitrary n.  

currently a scalar v but array element gets past the first if-else set, so I
added a catch there. 

The else-if for the vector element and vector v would give true on an array
with the first range having the same length() (say a 2x2 A with a 2x1 v), but
would give a blank output. added an isvector() there to prevent that so it
should pass to the next conditional for arrays.

1 or two other comments addded. will peek at it a bit more tomorrow.

(file #34400)
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Additional Item Attachment:

File name: repelem.m                      Size:2 KB


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