Hi Charles Naegele
You are having the same result as if you were using textscan instead of importdata
B2 has as single column with all data, as you mention it happens in your data acquisition.
Note that your data file has a TAB as separator, not the default ' ' (space) or comma. Despite MATLAB help for import data reads
The default character is interpreted from the file.
It may be the case an earlier version of MATLAB doesn't really consider TAB as a column separator.
If you upgrade your MATLAB version you will solve this and possibly other compatibility issues to come.
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thanks in advance for time and attention