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finding similar numbers and rounding to integers

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AA
AA 2015-2-17
回答： Sad Grad Student 2015-2-18
Suppose I have 8 variables and I want to run an If function if at least two of those variables are equal to one. All variables are real numbers and should be converted to integers meaning 1.8 or 1.2 should be rounded to 1. How can I implement this as a function?
x1=22, x2=3.3, x3=1.2 x4=1 x5=1.7 x6=44 x7=6 x8=4
  2 个评论
John D'Errico
John D'Errico 2015-2-17
It is time to learn how to use a vector instead of numbered variables.
Regardless, 1.8 does not round to 1. Floor or fix might be a better choice of words, IF that is your intention.
Roger Stafford
Roger Stafford 2015-2-18
Presuming you have followed John's good advice and placed your eight values in a single vector, which I will call v, do this:
t = sum(round(v)==1)>=2; % Or perhaps you meant 'floor' instead of 'round'
The variable t can be used in the if statement.

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采纳的回答

Sad Grad Student
Sad Grad Student 2015-2-18
Completely agree with John. But just in case:
if length(find(fix([x1 x2 x3 x4 x5 x6 x7 x8])==1))>=2
...
condition
...
end

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