total.name='23'; total.x=78354.344; total.y=89342.333; total.h=437.557; total.code='0203'; total(2) = struct('name','23','xyh',[78354.344,89342.233,437.557],'code','0203') total(1).x=76434.455; disp(total) total(1)=[] rmfield(total(1),'code')