can FOR and WHILE loop combined together?

Question

farhah muhammad 2022-1-26

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1636505-can-for-and-while-loop-combined-together

评论： farhah muhammad 2022-4-11

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HI,

im trying to do coding to reveal the stage, for example:

sum of urine output is less than 0.5 ml/hr from 6-12 hours = category 1

sum of urine output is less than 0.5 ml/hr from 12 hours and above = category 2

sum of urine output is less than 03 ml/hr from 24 hrs and above = category 3.

is this correct?

  sumUO = 0;         
         while PatientStruct.Urine (i) >= 24
         aki_stage = 0;
         sumUO = sumUO + PatientStruct.Urine(i);
             while PatientStruct.Urine (i) >= 12
              sumUO = sumUO + PatientStruct.Urine(i);
              aki_stage = 0;                     
                      if sumUO < 0.5
                      aki_stage  = aki_stage + 2;
                      return;
                      end
              end
           if sumUO < 0.3
           aki_stage = aki_stage + 3; 
           return;
           end
      AKI_stageUO (i,1) = aki_stage;
    end

thank you in advanced!

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Geoff Hayes 2022-1-26

@farhah muhammad - I think you need to discuss the structure of your data. Do you have results for each hour? Is that what i represents, an hour (note this variable never changes...)?

farhah muhammad 2022-1-27

Yes, I have result for every hour, but it depends on patients, it could be data for 48 hours, 36 hours or until the patients discharge from the ward. tq

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Answer 1

Esha Chakraborty 2022-4-8

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1636505-can-for-and-while-loop-combined-together#answer_937760

Hi Farhah,

I understand that you want to know whether for and while loop can be combined.

Yes, you can nest the while loop inside the for loop. I will suggest you to use for loop for iterations of the range of time and while loop for the urine output.

You can refer to this similar example in the link below for further insights:

https://www.mathworks.com/matlabcentral/answers/457428-while-loop-with-for-loop-problem