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comparison scripts/control/system/is_controllable.m @ 5016:bdbee5282954

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[project @ 2004-09-22 02:50:35 by jwe]
author jwe
date Wed, 22 Sep 2004 02:50:36 +0000
parents d62c421f448b
children c08cb1098afc
comparison
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5015:6d481b6e349e 5016:bdbee5282954
36 ## @table @var 36 ## @table @var
37 ## @item retval 37 ## @item retval
38 ## Logical flag; returns true (1) if the system @var{sys} or the 38 ## Logical flag; returns true (1) if the system @var{sys} or the
39 ## pair (@var{a}, @var{b}) is controllable, whichever was passed as input 39 ## pair (@var{a}, @var{b}) is controllable, whichever was passed as input
40 ## arguments. 40 ## arguments.
41 ## @item U 41 ## @item u
42 ## U is an orthogonal basis of the controllable subspace. 42 ## @var{u} is an orthogonal basis of the controllable subspace.
43 ## @end table 43 ## @end table
44 ## 44 ##
45 ## @strong{Method} 45 ## @strong{Method}
46 ## Controllability is determined by applying Arnoldi iteration with 46 ## Controllability is determined by applying Arnoldi iteration with
47 ## complete re-orthogonalization to obtain an orthogonal basis of the 47 ## complete re-orthogonalization to obtain an orthogonal basis of the