Calculating the strangeness using k constant

Question

Tino 2019-4-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/455521-calculating-the-strangeness-using-k-constant

评论： Stephen23 2019-4-10

A B

_______ __

0.57446 C1

0.61644 C2

0.93808 C1

2.1817 C2

2.9883 C1

3.1654 C2

if I want to do this calculations such divide all the sums of C1 by all the sums of C2 how do I go about it. using a constant suck as K to determine the number to sum.

for instance if k = 2

strangeness = sum of the smallest 2 numbers of c1/ sum of the smallest 2 numbers of c2

if K = 3

strangeness = sum of the smallest 3 numbers of c1/sum of the smallest 3 numbers of C2

Thanks in advance

Jonathan

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Answer 1

Stephen23 2019-4-10

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/455521-calculating-the-strangeness-using-k-constant#answer_369971

在 MATLAB Online 中打开

>> a = [0.6164;3.1654;0.5745;2.9883;0.9381;2.1817];
>> c1 = sort(a(1:2:end));
>> c2 = sort(a(2:2:end));
>> K = 2;
>> sum(c1(1:K))/sum(c2(1:K))
ans = 0.23035

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Stephen23 2019-4-10

Jonathan Etumusei's "Answer" moved here:

Hi Stephen thanks for your swift response

>> c1 = sort(totalY11(1:2:end));

I am getting the error

Subscripting a table using linear indexing (one subscript) or multidimensional indexing (three or more subscripts) is not supported. Use a row subscript and a variable subscript.

How do I go about it