Matrixxes

flatHeight = [[32,31,27,21,13,6,6,13,21,27,31]
[49,46,41,32,23,13,13,23,32,41,46]
[66,63,55,44,32,21,21,32,44,55,63]
[86,81,69,55,41,27,27,41,55,69,81]
[106,97,81,63,46,31,31,46,63,81,97]
[128,106,86,66,49,32,32,49,66,86,106]
[106,97,81,63,46,31,31,46,63,81,97]
[86,81,69,55,41,27,27,41,55,69,81]
[66,63,55,44,32,21,21,32,44,55,63]
[49,46,41,32,23,13,13,23,32,41,46]
[32,31,27,21,13,6,6,13,21,27,31]];

filteredHeight = flatHeight
flatHeight(flatHeight >= 20 | flatHeight <= 50) = 0;

% Operands to the || and && operators must be convertible to logical
% scalar values.


disp(filteredHeight);