Illustration of initializing the data structure, MATLAB in Engineering

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Illustration of initializing the data structure:

illustration of initializing the data structure by preallocating is here as shown:

>> cyls(3) = struct('code', 'c', 'dimensions',. . .

struct('rad', 3, 'height', 6), 'weight', 9);

>> cyls(1) = struct('code', 'x', 'dimensions',. . .

struct('rad', 3, 'height', 6), 'weight', 7);

>> cyls(2) = struct('code', 'a', 'dimensions',. . .

struct('rad', 4, 'height', 2), 'weight', 5);

Alternatively, it could be initialized by using the dot operator:

>> cyls(3).code = 'c';

>> cyls(3).dimensions.rad = 3;

>> cyls(3).dimensions.height = 6;

>> cyls(3).weight = 9;

>> cyls(1).code = 'x';

>> cyls(1).dimensions.rad = 3;

>> cyls(1).dimensions.height = 6;

>> cyls(1).weight = 7;

>> cyls(2).code = 'a';

>> cyls(2).dimensions.rad = 4;

>> cyls(2).dimensions.height = 2;

>> cyls(2).weight = 5;

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