Indexing by using column names

I have a table with column names A, B C. I want to create an array col_index=[1 0 1] by using the column names only.

Answer 1

[Chunru]

A = zeros(3,1); B=rand(3,1); C=ones(3,1);
T = table(A, B, C)

T = 3×3 table
    A       B        C
    _    ________    _

    0     0.10002    1
    0    0.034853    1
    0     0.06117    1

VarNames = {'A', 'C'};
col_index = ismember(T.Properties.VariableNames, VarNames)

col_index = 1×3 logical array
   1   0   1

[Mia Dier]

Thank you!!