Why does the sum of S1 AND S2 ?
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S1=[23.6000 58.4000 47.4000 101.7000 29.9000 36.8000] S2=[23.6000 58.4000 47.4000 67.1000 29.9000 71.4000]
c=0; while (S1~=S2)
c=S1+S2
end
c
Why does the sum of S1 AND S2 ?
Thanks.
0 Kommentare
Antworten (2)
Azzi Abdelmalek
am 8 Nov. 2013
Bearbeitet: Azzi Abdelmalek
am 8 Nov. 2013
Maybe you want
S1=[23.6000 58.4000 47.4000 101.7000 29.9000 36.8000]
S2=[23.6000 58.4000 47.4000 67.1000 29.9000 71.4000]
c=0;
while ~isequal(S1,S2)
c=S1+S2
end
2 Kommentare
John D'Errico
am 8 Nov. 2013
I think you misunderstand how while works. It cannot loop over the elements of S1 as you have written it.
Walter Roberson
am 8 Nov. 2013
Your while loop does not change S1 or S2, so the body will either not be done at all (if the condition does not hold at the beginning) or will be done repeatedly without end.
4 Kommentare
Walter Roberson
am 9 Nov. 2013
A = 0.3 - 0.2 - 0.1;
B = 0;
if A == B
disp('the two are equal')
else
disp('the two are not equal')
end
if abs(A-B) < eps(0.3)
disp('the two are approximately equal')
else
disp('the two are not approximately equal')
end
Do not compare floating point numbers for equality.
An evaluated expression is true when the result is nonempty and contains all nonzero elements (logical or real numeric). Otherwise, the expression is false.
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