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tt_erank

PURPOSE ^

Effective rank of the TT-tensor: Approximate memory definition

SYNOPSIS ^

function [rk]=tt_erank(tt)

DESCRIPTION ^

Effective rank of the TT-tensor: Approximate memory definition
   [RK]=TT_ERANK(TT) Computes the effective rank of the TT-tensor,
   assuming all modes sizes are equal


 TT-Toolbox 2.2, 2009-2012

This is TT Toolbox, written by Ivan Oseledets et al.
Institute of Numerical Mathematics, Moscow, Russia
webpage: http://spring.inm.ras.ru/osel

For all questions, bugs and suggestions please mail
ivan.oseledets@gmail.com
---------------------------

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function [rk]=tt_erank(tt)
0002 %Effective rank of the TT-tensor: Approximate memory definition
0003 %   [RK]=TT_ERANK(TT) Computes the effective rank of the TT-tensor,
0004 %   assuming all modes sizes are equal
0005 %
0006 %
0007 % TT-Toolbox 2.2, 2009-2012
0008 %
0009 %This is TT Toolbox, written by Ivan Oseledets et al.
0010 %Institute of Numerical Mathematics, Moscow, Russia
0011 %webpage: http://spring.inm.ras.ru/osel
0012 %
0013 %For all questions, bugs and suggestions please mail
0014 %ivan.oseledets@gmail.com
0015 %---------------------------
0016   rk = sqrt(tt_mem(tt)/(sum(tt_size(tt))));
0017

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