MATLAB: Combining two strings to a common string

string combine

How can I combine the following two strings
Variables = {'var1', 'var2', 'var3'};
Sectors = {'sec1', 'sec2'};
to the common string
New = {'var1_sec1','var1_sec2', 'var2_sec1', 'var2_sec2', 'var3_sec1', 'var3_sec2' };
I guess there must be a loop involved here.

Best Answer

Variables = {'var1', 'var2', 'var3'};
Sectors = {'sec1', 'sec2'};
[ii,jj]=ndgrid(1:2,1:3);
cellfun(@(x,y) [x '_' y],Variables(jj(:)),Sectors(ii(:)),'un',0)
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