How to run my code for selective interval of values?

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Darina 2014-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/113576-how-to-run-my-code-for-selective-interval-of-values

评论： Darina 2014-1-24

I have got washing machine to predict hot water consumption which is to be translated in energy use. So far I have got a code that goes through washing machine water consumption of 28 households. But I want to exclude the cold water consumption for rinsing.

Here is the code:

results=zeros(86401,1); % plot in seconds for activity 4. Washing machine
for i=1:28,
     currentFlowArray=allFileMin(i).demand_pattern1.Wm.total.flowArray;
    for p=1:86400,
        results(p)=results(p)+ currentFlowArray(p);
    end
end

So I want to exclude the second half of the values (assuming it is for cold water) in:

allFileMin(i).demand_pattern1.Wm.total.flowArray

How is this possible?

Thanks!

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Amit 2014-1-24

what do you mean by second half?

Darina 2014-1-24

在 MATLAB Online 中打开

For each 28 household i=1:28

allFileMin(i).demand_pattern1.Wm.total.flowArray

I have values for water consumption of waching machine. For my calculations I want to include half of the consumption of the washing machine of each household.

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回答（1 个）

Amit 2014-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/113576-how-to-run-my-code-for-selective-interval-of-values#answer_122042

在 MATLAB Online 中打开

Do you mean something like this:

results=zeros(86401,1); % plot in seconds for activity 4. Washing machine
for i=1:28,
     currentFlowArray=allFileMin(i).demand_pattern1.Wm.total.flowArray;
     % Actually the looping can be omitted      
     % for p=1:86400/2 % Divide by half
        results(1:86400/2)=results(86400/2)+ currentFlowArray(86400/2);
     %end
end

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Darina 2014-1-24

Adding 0.5 basicaly reduces the total water consumption by half.

Attached you can see water consumption per one household. At Every second about 0.1667l/s are used from the washing machine, and the total water consumption of washing machine is about 50l. When I add 0.5 it reduces the consumption down to 0.08l/s and about 25l for the total. The start time of the machine is randomized, but still clustered about mornings and evenings.

Darina 2014-1-24