>There's no need to be disrespectful, because you didn't get an answer as fast as you had hoped. This will just make people not try or want to answer you. A very simple explanation for the lack of answer can be found in a calendar.
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>Michael.
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Where is disrespect ?
I asked a question in the assumption design motives were known.
I got an answer showing they are not.
No, you got an answer from a nice guy, who may not be the author of interp2, but still tried to help you with some suggestions, while it's Christmas time.
_My_ assumption was _wrong_.
...
If there is the _author_, an answer from him/her like "I used cell arrays for code clarity" would be a clear design decision motive.
I would rather hear your motives to use 4D matrices instead of cell arrays.
Michael.