How to extract a negative value from a column vector? App designer
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Giulia Di Giorgio
am 18 Mär. 2023
Kommentiert: Giulia Di Giorgio
am 18 Mär. 2023
Hello, I programmed an UITable and I want to establish a condition that warns the user when entering values n<0, but I'm not sure how to do it. I tried with the "contain" command but it says "not enought input arguments", I also tried with the "find" command but I don't know how to set the condition with that one. I'll attatch my code and app. Thanks
%Obtener los datos de la tabla
tabla=app.UITable.Data;
M=cell2mat(tabla)
%Obtener las columnas de la tabla
h=M(:,1)
tP=M(:,2)
tT=M(:,3)
k=find(h<0); j=find(tP<0); l=find(tT<0);
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Cris LaPierre
am 18 Mär. 2023
I think you would need to define the CellEditCallback function. This function will execute everytime a cell is edited. You would just to write code to check the value and provide the warning when your condition is met.
3 Kommentare
Cris LaPierre
am 18 Mär. 2023
Bearbeitet: Cris LaPierre
am 18 Mär. 2023
You only need to use newData, as that will be the value the user has entered.
if newData<0
% your code here
end
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