Table Assignment using two tables of different height.
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I have two tables of different heights: table1 and table2.
Both tables have the field x and table2 also has the field y.
I want to assign to table1 the parameter y where the table1 x parameter is equal to the table2 x parameter.
Since the tables are big It would be too inefficient of me to try and do double for loops I believe. Can someone help me with an efficient code to do that?
To be more informative, I'd like to do:
table1(table1.x == table2.x).y = table2.y
But since the two tables are not in the same height I can't do that.
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Stephen23
le 10 Fév 2022
You can use ISMEMBER like this:
T1 = array2table([8,5;9,9;2,9;9,2;6,9;1,9;3,5])
T2 = array2table([6,0;7,0.1;8,0.2;9,0.3])
[X,Y] = ismember(T1.Var1,T2.Var1);
T1.Var2(X) = T2.Var2(Y(X))
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