How to insert a 2D array into the end of X axis of the initial array?

Hi, friends, I have a question and look for an advice. I have several input data, each of which has 4 rows and unknow columns. Each time I receive the input, I need to combine it to all of the previous ones by adding it to the end of X axis of the previous combined data. I must do it because, later, I need to run my model and my model read input for each column of 4 rows. How should I do it? Also, should I initiate an array before reading all of the inputs? The inputs are F32 format. Thank you very much for any of your advice.

Building a 2D array row-by-row is easy. You either use "build array" if you need to update the indicator during the run, or you simply autoindex at the loop boundary (FOR or WHILE).
Two possibilities are shown in the attached image. If your arrays are getting large and you use a while loop, there are possibilities that are more memory efficient. You would initialize a 2D array (e.g. filled with NaNs) of an upper boundary of the final expected size, then replace rows as you go.
(Notice that if you use autoindexing on a FOR loop, the final size is known from the beginning so memory can be allocated efficiently)
Message Edited by altenbach on 11-01-2006 09:19 AM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
AppendRows.png ‏5 KB

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