The R Project SVN R

Rev

Rev 61282 | Rev 69942 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 61282 Rev 61433
Line 37... Line 37...
37 
 
 37 
 
38 
  \code{optimise} is an alias for \code{optimize}.
 38 
  \code{optimise} is an alias for \code{optimize}.
39 
}
 39 
}
40 
\details{
 40 
\details{
41 
  Note that arguments after \code{\dots} must be matched exactly.
 41 
  Note that arguments after \code{\dots} must be matched exactly.
42
42 
 
43 
  The method used is a combination of golden section search and
 43 
  The method used is a combination of golden section search and
44 
  successive parabolic interpolation, and was designed for use with
 44 
  successive parabolic interpolation, and was designed for use with
45 
  continuous functions.  Convergence is never much slower
 45 
  continuous functions.  Convergence is never much slower
46 
  than that for a Fibonacci search.  If \code{f} has a continuous second
 46 
  than that for a Fibonacci search.  If \code{f} has a continuous second
47 
  derivative which is positive at the minimum (which is not at \code{lower} or
 47 
  derivative which is positive at the minimum (which is not at \code{lower} or
Line 70... Line 70...
70 
  solution, even when \code{f} is constant in there, see the last
 70 
  solution, even when \code{f} is constant in there, see the last
71 
  example.
 71 
  example.
72 
 
 72 
 
73 
  \code{f} will be called as \code{f(\var{x}, ...)} for a numeric value
 73 
  \code{f} will be called as \code{f(\var{x}, ...)} for a numeric value
74 
  of \var{x}.
 74 
  of \var{x}.
75
75 
 
76 
  The argument passed to \code{f} has special semantics and used to be
 76 
  The argument passed to \code{f} has special semantics and used to be
77 
  shared between calls.  The function should not copy it.
 77 
  shared between calls.  The function should not copy it.
78 
}
 78 
}
79 
\value{
 79 
\value{
80 
  A list with components \code{minimum} (or \code{maximum})
 80 
  A list with components \code{minimum} (or \code{maximum})