subsref

Subscripted reference.

Syntax

• B = subsref(A, S)

Input argument

• A - Indexed object array
• B - Indexing structure

Output argument

• B - Result of indexing expression

Description

B = subsref(A, S) is invoked when using the syntax A(i), A{i}, or A.i with an object A.

Examples

Parentheses Indexing

A = magic(5);
S.type='()';
S.subs={1:2,':'};
R = subsref(A, S)

Brace Indexing

C = {"one", 2, 'three'};
S = [];
S.type = '{}';
S.subs = {[1 2]};
[R1, R2] = subsref(C, S);

Dot Indexing

A = struct('number', 10);
S = [];
S.type = '.';
S.subs = 'number';
R = subsref(A, S)

History

Author

Allan CORNET