why readtable create field "D" in the struct "D1"?

Luca Re asked: 2023-06-19 why readtable crea... , MATLAB , Data Import and Analysis

Understand why MATLABs readtable function creates a field D in your struct D1. Learn how to control readtable behavior and structure your data effec...

Expert Answer

Kshitij Singh answered . 2025-07-06 15:36:12

If there is only one variable in the MAT file (regardless of its extension) and you do not know/care what its name is:

C = struct2cell(load(..));
assert(isscalar(C),'Only one array can be LOADed')
T = C{1}

If the variable name is known in advance, e.g. "D"

S = load(..)
T = S.D

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