Matrix manipulation problem under MATLAB and swapping values

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dakhli mohamed 2018-11-8

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关闭： MATLAB Answer Bot 2021-8-20

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Hi, I have a starting matrix sw =

0890    0.5520    0.4880
3980    0.3390    0.3860
2030    0.2870    0.2950

and I have two classes in this matrix I made a growing sort of the first class and I put them in L1 and descending sort of the second class and I put them in L2 %%I replace the values of the second class with 0's

and

L2 =
0.203
0.089
0
0
0
0
0
0
0
if  L1(1)<L2(1)  %%(L1 (1): This is the first element of the L1 list)

so I swap the values in the starting matrix

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madhan ravi 2018-11-8

whats your desired output?

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回答（1 个）

madhan ravi 2018-11-8

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https://ww2.mathworks.cn/matlabcentral/answers/428679-matrix-manipulation-problem-under-matlab-and-swapping-values#answer_345816

编辑：madhan ravi 2018-11-8

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   sw =    [0.0890    0.5520    0.4880
           0.3980    0.3390    0.3860
           0.2030    0.2870    0.2950]
       L1= [0 0 0.287 0.295 0.339 0.386 0.398 0.488 0.552]
       L2 = [0.203 0.089 0 0 0 0 0 0 0]
      L1([1 2]) = L1([2 1])  %example of swapping elements

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Guillaume 2018-11-8

What if both of L2 values are larger than the minimum of L1?

dakhli mohamed 2018-11-8

I make the comparison only with great value and in an iterative way I am looking for the second small value of class 1 and I compare it with the 2nd big value of class 2 And so on

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