#141 — Generate Continuous Arrays — Concatenate Results into a String

Problem description & analysis:

The values in columns A and B are natural numbers, representing the start and end points of the array respectively:

Task: Use the values in columns A and B to generate a string composed of a natural number array, and fill in the result in column C, as follows:

Solution:

Use SPL XLL and enter in cell C2:

=spl("=to(?1,?2).concat@c()",A2,B2)

Then drag C2 down to every relevant row:

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