Version R2017b. When using the GUI: Home->Import data for csv files, I observe that the import data interface does not take over the column headers from the .csv file if the number of columns is large. I tested this with csv files containing 365 columns and 3285 columns. The large file contains copies of the data in the small files. For the first short file,the column names are recognized but not for the second file:
Is this intended or a known bug? I could not find a reference on MATLAB Answers.