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Error: Subscripted assignment dimension mismatch
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function nn_params = unroll_parameters(parameters)
nn_params = [];
for i = 1: length(parameters)/2
WI = parameters(strcat('W', num2str(i)));
WI_unrolled = (WI(:));
nn_params(:,end+1) = WI_unrolled;
bI = parameters(strcat('b', num2str(i)));
bI_unrolled = (bI(:));
nn_params(:,end+1) = bI_unrolled;
end
I wrote this function to unroll all elements of every keys in a MATLAB map and stor it in an array nn_params. When I use breakpoint within the code, I noticed that whenever it want to append the unrolled, bI_unrolled, it gives the error: Subscripted assignment dimension mismatch.
NB: parameters is a mapp that can contain: W1,b1,W2,b2,...
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