How to index variables from column B based on column A condtion

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Nicholas Kavouris
Nicholas Kavouris 2022-3-22
回答： Cris LaPierre 2022-3-22
I have an array of variables with 2 columns.
A containing input and B containing output.
looks something like this
A=[ 200;200;200...;400;400;...;600;600]
B[5.5;6.5;6.0...;8.5;9.6;....;14.3;18.4]
how do i index the values in column B into seperate arrays based on column A values?
im sure it involves logical indexing just not sure the procedure

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采纳的回答

Cris LaPierre
Cris LaPierre 2022-3-22
Ran in:
Logical indexing and assignment
A = [1 2];
B = [3 4];
% assign results to new variables
C = B(A==1)
C = 3
D = B(A==2)
D = 4

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