How can I vectorize this for loop?
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Matthew Casiano
il 9 Set 2021
Modificato: Matthew Casiano
il 10 Set 2021
I am having a hard time vectorizing this for loop. In this example I am trying to fill a matrix from a data vector (it is numbered 1 through 96 for testing out the script, but would eventually contain real data). Each matrix column covers a different range of indices from the data vector. Thanks,
% These are example values for testing script. They can change, but
% are tied together so do not change values or datamatrix will not be resolved
BS=16; % this value is specific to the size of the DataVector; just listed here for this example, do not change or matrix will not resolve
ptsOL=8; % this value is specific to the size of the DataVector; just listed here for this example, do not change or matrix will not resolve
NoBlocks=11; % this value is specific to the size of the DataVector; just listed here for this example, do not change or matrix will not resolve
DataVector=1:96; % Data - numbered 1 through 96 for testing out the script, but would eventually contain real data, do not change or matrix will not resolve
%%%% How to vectorize the following for loop
DataMatrix=zeros(BS,NoBlocks); % initialize matrix
for i=1:NoBlocks
DataMatrix(:,i)=DataVector((i-1)*(BS-ptsOL)+1:(i-1)*(BS-ptsOL)+BS); % place all data blocks into separate consecutive columns
end
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TADA
il 9 Set 2021
irow = (0:(NoBlocks-1))*ptsOL+1;
icol = (0:BS-1)';
idxMat = irow+icol;
DataMatrix = DataVector(idxMat);
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