Also see: How to initialize NaN matrix in octave
If you have a matrix in Octave like
A = zeros(2,4)
you can fill it with NaN
using
A(:,:) = NaN
Note that you have to use A(:) = NaN
for 1D-matrices. A(:,:) = NaN
for 2D matrices, A(:,:,:) = NaN
for 3D matrices and so on.
Example:
>> A = zeros(2,4) A = 0 0 0 0 0 0 0 0 >> A(:,:) = NaN A = NaN NaN NaN NaN NaN NaN NaN NaN