Vectorize a series of interpn calculations with GPU
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Let's say I have a cell array with equal sized (but different) 4D datasets:
nPoints = 5;
dataCell = cell(1,nPoints);
for i = 1:nPoints
dataCell{i} = rand(3, 2, 4, 3);
end
For the data arays in each cell, I would like to carry out a 4D interpn. Let's say the interpolation sample arrays and targets for each dimension are as follows:
dimOneArray = [0.1 0.2 0.3];
dimTwoArray = [2 4];
dimThreeArray = [1 2 3 4];
dimFourArray = [0.3 0.6 0.9];
dimOneTarget = 0.15;
dimTwoTarget = 3;
dimThreeTarget = 2.5;
dimFourTarget = 0.4;
Then I would like to carry out nPoints interpn calculations in a vectorized manner i.e. I would like to produce the same result as below (interpArray) without a for loop:
interpArray = nan(nPoints, 1);
for i = 1:nPoints
interpArray(i) = interpn(dimOneArray, dimTwoArray, dimThreeArray, dimFourArray, cell2mat(dataCell(i)), dimOneTarget, dimTwoTarget, dimThreeTarget, dimFourTarget);
end
How would I use the GPU to carry out this calculation?
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