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Checking if sides of triangle are positive and if equality rule is satisfied.

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David
David 2013-10-2
评论： David 2013-10-2
So, I could easily do this using multiple if statements but that seems fairly repetitive. Is there an and or operator in MATLAB so that I could say: if a <= 0 and or b <= 0 and or c <= 0 error... end
And, then do a similar thing with the equality. Sorry for the fairly simple questions, first week or so using MATLAB.

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Matt J
Matt J 2013-10-2
if any([a,b,c]<=0)
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Matt J
Matt J 2013-10-2
编辑：Matt J 2013-10-2
I can't tell what it's attempting to test. That's what I meant when I said it doesn't make sense.
Aside from that, though, if you run it, you will get an error. The short-circuited logical operators "&&" and "||" only apply to scalar expressions, not vectors.

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Image Analyst
Image Analyst 2013-10-2
if a<=0 || b<=0 || c<=0
% It's bad
end
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David
David 2013-10-2
编辑：David 2013-10-2
Btw, the above is a genuine question, not me trying to disprove you.

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