One-dimensional minimization using Brent's method (GSL) More...
#include <min_brent_boost.h>
This is a wrapper for boost::math::tools::brent_find_minima()
.
The value of fourth argument, digits
is taken to be where
is the value of o2scl::min_base::tol_rel .
Definition at line 47 of file min_brent_boost.h.
Public Member Functions | |
virtual int | min_bkt (double &x2, double x1, double x3, double &fmin, func_t &func) |
Calculate the minimum fmin of func with x2 bracketed between x1 and x3 . More... | |
virtual const char * | type () |
Return string denoting type ("min_brent_boost") | |
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virtual int | min (double &x, double &fmin, func_t &func) |
Calculate the minimum min of func w.r.t 'x'. More... | |
virtual int | min_de (double &x, double &fmin, func_t &func, func_t &df) |
Calculate the minimum min of func with derivative dfunc w.r.t 'x'. More... | |
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virtual int | print_iter (double x, double y, int iter, double value=0.0, double limit=0.0, std::string comment="") |
Print out iteration information. More... | |
virtual int | bracket (double &ax, double &bx, double &cx, double &fa, double &fb, double &fc, func_t &func) |
Given interval (ax,bx) , attempt to bracket a minimum for function func . More... | |
Additional Inherited Members | |
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int | bracket_iter |
The number of iterations for automatically bracketing a minimum (default 20) | |
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int | verbose |
Output control. | |
int | ntrial |
Maximum number of iterations. | |
double | tol_rel |
The tolerance for the minimum function value. | |
double | tol_abs |
The tolerance for the location of the minimum. | |
int | last_ntrial |
The number of iterations used in the most recent minimization. | |
int | bracket_iter |
The number of iterations for automatically bracketing a minimum (default 20) | |
bool | err_nonconv |
If true, call the error handler if the routine does not "converge". | |
|
inlinevirtual |
The initial value of x2
is ignored.
Implements o2scl::min_bkt_base< func_t >.
Definition at line 62 of file min_brent_boost.h.
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