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Rafnuss committed Dec 21, 2017
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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -33,13 +33,13 @@ My first study of SGS focused on better understanding the effect of the differen

Have a look at the paper if you're interested, otherwise, have a look at [a presentation I gave at Geostatistics Valencia 2016](https://www.researchgate.net/publication/318858970_Sequential_Simulation_Path_Biases_and_how_to_live_with_them)

Nussbaumer, Raphaël, Grégoire Mariethoz, Erwan Gloaguen, and Klaus Holliger. 2017. “Which Path to Choose in Sequential Gaussian Simulation.” _Mathematical Geosciences_. Retrieved (http://link.springer.com/10.1007/s11004-017-9699-5).
Nussbaumer, Raphaël, Grégoire Mariethoz, Erwan Gloaguen, and Klaus Holliger. 2017. “Which Path to Choose in Sequential Gaussian Simulation.” _Mathematical Geosciences_. Retrieved DOI:[10.1007/s11004-017-9699-5](http://link.springer.com/10.1007/s11004-017-9699-5).


## SGS with a Constant Path
In this second paper, I looked at the quite oftenly used technique which consist of using the same simulationp path among multiple realizations in order to be able to reuse the same kriging weights for all of them. In this work we wanted to quantify the amount of bias added with this technique, and provide some recommendation on the implementation. We showed that these biases were quite unsignificant compared to the computational gain obtained.

Nussbaumer, Raphaël, Grégoire Mariethoz, Mathieu Gravey, Erwan Gloaguen, and Klaus Holliger. 2017. “Accelerating Sequential Gaussian Simulation with a Constant Path.” Computers & Geosciences. Retrieved (http://linkinghub.elsevier.com/retrieve/pii/S0098300417304685).
Nussbaumer, Raphaël, Grégoire Mariethoz, Mathieu Gravey, Erwan Gloaguen, and Klaus Holliger. 2017. “Accelerating Sequential Gaussian Simulation with a Constant Path.” Computers & Geosciences. Retrieved DOI:[10.1016/j.cageo.2017.12.006](http://linkinghub.elsevier.com/retrieve/pii/S0098300417304685).


## Support or Contact
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3 changes: 0 additions & 3 deletions SGS.m
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% * nx,ny: number of cell in x and y [int]
% * m: number of realization [int]
% * covar: covariance function structure
% *
% * neigh: neighborhood search strategie
% *
% * parm: Other paramerter
% *

%
% *OUPUT*
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1 change: 0 additions & 1 deletion SGS_cst.m
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% Simulation.
% SGS with a constant path uses a unique path for each realization, thus, it's code
% loop around the realization and the node after. See pseudo-code below
% <<fx1.jpg>>
%
%%

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1 change: 0 additions & 1 deletion SGS_cst_par.m
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% Simulation.
% SGS with a constant path uses a unique path for each realization, thus, it's code
% loop around the realization and the node after. See pseudo-code below
% <<fx1.jpg>>
%
%%

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1 change: 0 additions & 1 deletion SGS_cst_par_cond.m
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% Simulation.
% SGS with a constant path uses a unique path for each realization, thus, it's code
% loop around the realization and the node after. See pseudo-code below
% <<fx1.jpg>>
%
%%

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195 changes: 0 additions & 195 deletions SGS_hybrid.asv

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1 change: 0 additions & 1 deletion SGS_hybrid.m
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% Simulation.
% SGS with a constant path uses a unique path for each realization, thus, it's code
% loop around the realization and the node after. See pseudo-code below
% <<fx1.jpg>>
%
%%

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1 change: 0 additions & 1 deletion SGS_trad.m
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% Simulation.
% Traditional SGS uses a new path for each realization, thus, it's code
% loop around the realization and the node after. See pseudo-code below
% <<fx1.jpg>>
%
%%

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