clear

% by default everything is double floating precision
a = 3;
assert(isequal(class(a), 'double'));

% specify a different scalar type
b = int8(100);
assert(isequal(class(b), 'int8'));

% also unsigned
c = uint16(291);
assert(isequal(class(c), 'uint16'));

% a matrix of int32
int32_matrix = int32([1 2; 3 4]);