Last change
on this file since 37 was
37,
checked in by (none), 14 years ago
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Added original make3d
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Property svn:executable set to
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File size:
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[37] | 1 | % VGG numerics library
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| 2 | %
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| 3 | % Linear equation system solving
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| 4 | % vgg_mrdivs - solving for matrix A from equation system y =~ A*x (equality up to scale)
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| 5 | %
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| 6 | % Rearranging matrix equations
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| 7 | % vgg_vec - vectorize matrix, same as (:) operator, and its inverse for square matrix
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| 8 | % vgg_vech - as vec, takes only entries on and under diagonal
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| 9 | % vgg_commut_matrix - it is vec(X') = commut_matrix(size(X))*vec(X)
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| 10 | % vgg_duplic_matrix - for square X, it is duplic_matrix(n)*vech(X) = vec(X)
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| 11 | % vgg_vech_swap - for square A, it is x'*A*y = vec(A)'*vec_swap(x,y), vectorized
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| 12 | % vgg_vec_swap - for square symmetric A, it is x'*A*y = vech(A)'*vech_swap(x,y), vectorized
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| 13 | %
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| 14 | % Misc
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| 15 | % vgg_gauss_mask - univariate gaussian or any its derivative
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| 16 | % vgg_diagonalize_conic - transforms conic to canonical position
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| 17 | % vgg_wedge - wedge (Grassmann outer) product of N-1 N-vectors
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