< Master index Index for tt2/core >

Index for tt2/core

Matlab files in this directory:

 ind2sub2function [sub]=ind2sub2(siz,ind)
 maxvol2Maximal volume submatrix in an tall matrix
 move_tt_blockPerforms a bubble movement of a block inside a train
 mvrkComputes matvec in the QTT-Tucker "rake" format
 my_chop2Truncation by absolution precision in Frobenius norm
 qtt_tucker_mCompute the QTT-Tucker representation of TT
 qtttucker_to_linqttCompute the standard QTT-representation from the QTT-Tucker
 reortGolub-Kahan reorthogonalization
 sub_to_indConverts a multiindex to a linear index
 ten_convTensor-by-matrix multiplication of three-dimensional tensor
 tt_addAdds two TT-tensors in TT1 format.
 tt_alsSeveral ALS sweeps for the approximation in the TT-format
 tt_axpyReturns A*X+P*Y in the TT-format.
 tt_axpy2Returns A*X+P*Y in the TT-format (stabilized version)
 tt_compr2Tensor rounding in TT1.0 format
 tt_dist3Accurate distance between two tensors in TT1.0 format
 tt_dotScalar product of two TT-tensors in the TT1.0 format
 tt_dot2Logarithm of the scalar product of two tensor (to avoid overflow)
 tt_effrankEffective rank of the TT-tensor (correct memory definition)
 tt_erankEffective rank of the TT-tensor: Approximate memory definition
 tt_eyeIdentity matrix in the TT-format
 tt_ind2subCorrect conversion of an index to a multiindex
 tt_kron7Kronecker product of two TT-tensors in the reverse order
 tt_mat_comprTensor rounding for the TT-matrix in TT1.0 format
 tt_mat_full_vecMultiplication of the TT-matrix by full vector in TT1.0 format
 tt_mat_to_vecFlattens TT-matrix into TT-vector in the TT1.0 format
 tt_max_absCompute the (supposedly) maximal in modulus element in a TT-tensor
 tt_maxrankMaximal rank of the TT-tensor(?)
 tt_memMemory required to store the tensor TT
 tt_min_absComputes approximation to the minimal absolute value in a TT-tensor
 tt_mkronCompute Kronecker product of many TT-tensors.
 tt_mmMatrix-by-matrix product in TT1.0 format
 tt_mvMatrix-by-vector product in the TT1.0 format
 tt_mvdotFast computation of the bilinear form (Ax,y) in the TT-format
 tt_mvk2Matrix-by-vector product by DMRG/Krylov method
 tt_mvk3Two-sided DMRG fast matrix-by-vector product, the best version
 tt_onesTensor of all ones
 tt_qcircreturns the multilevel circulant matrix tt generated by the multi-dimensional input vector x
 tt_qfromfullApproximates a full-format s-dimensional 2^{d} x...x 2^{d}-tensor
 tt_qltrtoeplreturns the multilevel lower-triangular Toeplitz matrix tt generated by the multi-dimensional input vector x
 tt_qreshapeReshapes the cores of the input (Q)TT representation.
 tt_qshiftstackreturns a stack S of non-periodic shift matrices
 tt_qshiftstack_preturns a stack P of periodic shift matrices
 tt_qshiftstack_qreturns a stack Q of non-periodic shift matrices
 tt_qshiftstack_rreturns a stack R of non-periodic shift matrices
 tt_qsizeFor a QTT decomposition _tt_,
 tt_qtoeplreturns the multilevel Toeplitz matrix tt generated by the multi-dimensional input vector x
 tt_qtofullReturns a tensor _full_, given in a QTT decomposition _tt_,
 tt_qutrtoeplreturns the multilevel upper-triangular Toeplitz matrix tt generated by the multi-dimensional input vector x
 tt_randGenerates a random tensor
 tt_rand_posRandom TT-tensor with positive elements
 tt_randomGenerates a random tensor
 tt_ranksCompute all ranks of the TT-decomposition in TT1.0 format
 tt_reshapeReshape of the TT-tensor
 tt_reverseReturns a reversed TT representation
 tt_scalMultiply tensor by a scalar in TT1.0 format
 tt_scal2Stabilized multiplication of a scalar by vector
 tt_shfUpper shift matrix in the QTT-format
 tt_sizeMode dimensions of a TT-tensor in TT1.0 format
 tt_squeezeRemoves singleton dimensions from the TT-tensor
 tt_transpTransposition of the TT matrix
 tt_tuckComputes Tucker factors and Tucker core of the TT-tensor
 tt_vec_to_matConverts TT-vector to TT-matrix in TT1.0 format
 tt_wroundApproximates a vector in the weighted norm using DMRG iterations
 tt_xComputes X in the QTT-format
 tt_zerosTensor of all zeros
 tucker_to_ttBuild TT-tensor from the QTT-Tucker representation

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