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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: 3 condition in IF statement
Replies: 16   Last Post: Aug 1, 2013 12:52 PM

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Babak

Posts: 9
Registered: 7/12/13
3 condition in IF statement
Posted: Jul 30, 2013 3:40 PM
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Hi everybody. I have program which 3 condition should be compare. I want this IF statement to be true only in the case where the first condition AND the second condition AND the third condition are all true simultaneously.
Thanks a lot

clc
clear all
f1=3;f2=3;THD=2;
if ((0>=f1<=2) && (4>=f2<=5) && (1>=THD<=6))
disp('Normal)')
elseif (0>=f1<=3) && (1>=f2<=5) && (1>=THD<=6)
disp('Sag')
end

In this program it will always shows "Normal" because of the last condition (1>=THD<=6)!
Where I went wrong?

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