How to make the following code valid for tables not only matrices

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Salma fathi
Salma fathi 2022-6-22
回答： Eric Sofen 2022-6-23
hello, The following code finds the peak point for some data stored in an array or matrix lets say.
for ied=1:length(EDP)
imax=[];
[~,imax] = max(EDP(:,7)); %column 7 we have the variable NE8 which we are intrested in finding its maximum
if (EDP(imax,6) < 190 || EDP(imax,6) >400) %column 6 we have the variable GDALT, which is the alttitued
EDP(imax,:)=[];
elseif ( EDP(imax,6) > 190 && EDP(imax,6) < 190) %the range for the altitude of the peak is between 190-400
break;
end
end
How can we modify it such that it would be valid for data that are stored in tables also not only arrays or matrices.

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回答（2 个）

KSSV
KSSV 2022-6-22
Convert the Table into array using table2array. You can extract any column from table T using T.(1), T.(2) etc....
  2 个评论
Salma fathi
Salma fathi 2022-6-22
thank you for your reply. I have tried doing that and it worked.. but dealing with arrays is giving me sme hard time when trying to do further processing thats why I would like to have it all working for tables since all my data is stored into tables instead of every time converting from table to array. Would that be possible?

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Eric Sofen
Eric Sofen 2022-6-23
There are a few ways to rework the indexing to work with tables. By the way, I'm not sure what the loop does (ied doesn't appear in the body of the loop).
[~,imax] = max(EDP.NE8); %column 7 we have the variable NE8 which we are intrested in finding its maximum
if (EDP.GDALT(imax) < 190 || EDP.GDALT(imax) >400) %column 6 we have the variable GDALT, which is the alttitued
EDP(imax,:)=[];
elseif ( EDP.GDALT(imax) > 190 && EDP.GDALT(imax) < 190) %the range for the altitude of the peak is between 190-400
break;
end

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