MATLAB: This simple code note working, HELP

elsefloating pointfor loopif statementloopMATLAB

%this works well upto t==0.7, but not after 0.8
%give me an answer for this, not links
t=0;
for n=1:10
    t=t+0.1;
    disp(t)
    if t==0.8
        disp('if')
    else
        disp('else')
    end
end

Best Answer

Direct comparison using == of floating-point number does not give the correct result. You need to allow some level of tolerance. Try this
t=0;
for n=1:10
    t=t+0.1;
    disp(t);
    if abs(t-0.8) < 1e-6
        disp('if')
    else
        disp('else')
    end
end
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