Search and Compare Arrays
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if I have the following Matrices:
MATRIX A: Column 1 = Temperatures; Column 2 = Coefficients;
MATRIX B: Temperatures
I need to Program Matrix_C to do the following:
For j=1:max(size(Matrix_B))
Matrix_C(j) =
For each temperatures in Matrix_B(j) it will retrieve the correct Coefficient from Matrix A
end
I hope I made sense
Thanks!
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Matt Fig
il 23 Ago 2012
Modificato: Matt Fig
il 23 Ago 2012
I assume the temperatures in B exactly match those in A? In other words, you are not interpolating. First the FOR loop you request:
% Sample data.
A = [(1:20).',sort(round(rand(20,1)*1000)/100)]
B = [5;6;12]
% Fill C.
C = zeros(size(B));
for ii = 1:length(B)
C(ii) = A(A==B(ii),2);
end
But now look at an easier way:
C = interp1(A(:,1),A(:,2),B)
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