if expression it is not triggered

Hallo,

the expression in the if condition is not triggered, although both terms shoud be 0.8. Am i doing something wrong with the format?

many thanks for your help

width_i=18;
deltazs1=0.7;
deltazs2=0.1;

if (deltazs1+deltazs2)==(20-width_i)/2-0.2
    test=1
else
    test=0
end

 test =

     0

Answer 1

[Fangjun Jiang]

Give some tolerance. They are not exactly the same in the world of floating-point data.

>> 1-1/3==2/3

ans =

  logical

   0