congregate

Fetch values from an array of cells (or an array of structures) and create a matrix.

DETAILED DESCRIPTION
Have you ever tried to create a submatrix from an array of cells? Or extract values of a specific member from an array of strctures? If so, this function is for you!! Please see the examples below to get more info upon this function.

EXAMPLES

1. Extracting submatrix from an array of cells
A = {11,12,13;21,22,23};
congregate('A{1:2,2:3}')
ans =
12 13
22 23

2. Converting an array of structures to a 2x3 matrix
S(1).a=[1,2,3]';
S(2).a=[4,5,6]';
congregate('S(:).a')
ans =
1 2 3
4 5 6

3. Converting an array of structures of structures to a 2x2x3 matrix
T(1).a(1).b=[111,112,113]';
T(1).a(2).b=[121,122,123]';
T(2).a(1).b=[211,212,213]';
T(2).a(2).b=[221,222,223]';
congregate('T(:).a(:).b')
ans(:,:,1) =
111 121
211 221
ans(:,:,2) =
112 122
212 222
ans(:,:,3) =
113 123
213 223