Multiplies a Toeplitz band matrix TB with a matrix x ("Toeplitz" means:
constant along each diagonal, "band" means: only diagonals along a
bandwidth around main diagonal are non-zero) If transp='prime', then TB'*x
is calculated. If x is a multi-dimensionaly array, then multiplication
goes along dimension dim, i.e. the "n-mode product" of the tensor x by
the matrix TB is calculated (see de Lathauwer et all, SIAM 2000, for a
definition). Never sets up the entire Toeplitz matrix, which is
storage-efficient. Option 'fill' implements a modification of TB to make
row sums constant; if TB is a Markov transition matrix, this corresponds
to confining jumps to within the grid boundaries.
인용 양식
Matthias Kredler (2024). Fast Toeplitz band matrix multiplication (https://www.mathworks.com/matlabcentral/fileexchange/164196-fast-toeplitz-band-matrix-multiplication), MATLAB Central File Exchange. 검색됨 .
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