comparing the maximum value of a matrix to the other values

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SSG_newbiecoder
SSG_newbiecoder 2017-12-29
评论： SSG_newbiecoder 2018-1-29
Hello, I have a question. I need to compare the maximum value in an array to the other elements in an array and check if it is greater than 1.2 times the other elements. How can I do this in matlab? I'd prefer it if it is a simple command since I'm already doing this within a loop. I know max will give me the maximum but how to compare it with the other elements?

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KSSV
KSSV 2017-12-29
A = randperm(10,5) ;
B = randperm(20,5) ;
iwant = max(A)/max(B)
fprintf('max of A is %f times to max of B\n',iwant)
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SSG_newbiecoder
SSG_newbiecoder 2017-12-29
I have an array X=[1 2.2 3.5 3.8 2.8 2.9]. Maximum is 3.8. But I need to check if this maximum is 1.2 times the other 5 elements in the array.

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Walter Roberson
Walter Roberson 2017-12-29
If you want to know whether it is greater than 1.2 for all of the elements, then
if max(FirstArray) > 1.2 * max(SecondArray)
If you want to know whether it is greater than 1.2 for some element then
if max(FirstArray) > 1.2 * min(SecondArray)
I recommend that you explicitly comment the behavior you want when some of the values in the second array might be negative. Is -1.3 "greater than" 1.2 times -1 because the value has greater distance from 0 ?
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SSG_newbiecoder
SSG_newbiecoder 2018-1-29
Or if you can suggest a method to find an array element that is 1.2 times that of the other elements in the array, that will solve the problem without all the above hassle

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