Optimisation mode - Revision history

RosDeath: /* Optimisation mode */

2007-11-16T17:48:38Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:33:13Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:32:58Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:31:48Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:11:40Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:10:54Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:09:54Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:09:08Z

Optimisation mode

RosDeath: /* Optimisation mode */

2007-11-16T17:08:49Z

Optimisation mode

RosDeath at 15:50, 5 November 2007

2007-11-05T15:50:12Z

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 where, C is the cost function value, M is the measured value, m is the model predicted value, n is the normalisation constant, and the suffix i, j, k, refers to the different optimisation datasets.
-To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
+To run in this mode, the subroutine '''Creategadriver''' is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
-The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, described in '''[[Model Structure]]'''.
+The genetic algorithm solver is run from the routine '''Gafortran'''. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, described in '''[[Model Structure]]'''.

← Older revision		Revision as of 17:33, 16 November 2007
Line 7:		Line 7:

	To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.		To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
−	The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, described in [[Model Structure]].	+	The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, described in '''[[Model Structure]]'''.

← Older revision		Revision as of 17:32, 16 November 2007
Line 7:		Line 7:

	To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.		To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
−	The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, ~~descrobed~~ in [[~~model structure~~]].	+	The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, described in [[Model Structure]].

← Older revision		Revision as of 17:31, 16 November 2007
Line 7:		Line 7:

	To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.		To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
−	The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran the main generic glacier model, [[~~Valley~~]]~~, is called~~.	+	The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran are used in the main generic glacier model, Valley, descrobed in [[model structure]].

@@ Line 2: / Line 2: @@
 In this mode, the genetic algorithm solver is employed to determine the best values for the free parameters so that the difference between the modelled and the observed glacier response to climatic forcing is minimized. The cost function is determined by,
-<math>C = \frac{1}{n_{i}}\sum_{i} \left|{M_{i}-m_{i}}\right|+\frac{1}{n_{j}}\sum_{j} \left|{M_{j}-m_{j}}\right|+\frac{1}{n_{k}}\sum_{k} \left|{M_{k}-m_{k}}\right|+...</math>
+<math>C = \frac{1}{n_{i}}\sum_{i} \left|{M_{i}-m_{i}}\right|+\frac{1}{n_{j}}\sum_{j} \left|{M_{j}-m_{j}}\right|+\frac{1}{n_{k}}\sum_{k} \left|{M_{k}-m_{k}}\right|+...</math><br>
 To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
 The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran the main generic glacier model, [[Valley]], is called.

@@ Line 1: / Line 1: @@
 == Optimisation mode ==
-In this mode, the genetic algorithm solver is employed to determine the best values for the free parameters so that the difference between the modelled and the observed glacier response to climatic forcing is minimized. To run in this mode, the subroutine [[Creategadriver]] is called to create the Ga.inp file, which takes the parameters that are going to be optimised and puts them in a format that the genetic algorithm solver can read.
+In this mode, the genetic algorithm solver is employed to determine the best values for the free parameters so that the difference between the modelled and the observed glacier response to climatic forcing is minimized. The cost function is determined by,
 The genetic algorithm solver is run from the routine [[Gafortran]]. In this routine a set of parameter values are generated with respect to the initial parameter values, for the first run, and after that they are set to the ‘fittest’ parameters as determined by the genetic algorithm solver. The parameters supplied by Gafortran the main generic glacier model, [[Valley]], is called.